Document:

EXHIBIT 4.1

                          REGISTRATION RIGHTS AGREEMENT

         REGISTRATION RIGHTS AGREEMENT, dated as of November 21, 2000, between
American Medical Alert Corp., a New York corporation with its principal place of
business at 3265 Lawson Boulevard, Oceanside, NY 11572 (the "COMPANY"), and
Harriett Campbell Incorporated, a New York corporation having an address at 216
East 75th Street, New York, NY 11021.

                                  INTRODUCTION

         Pursuant to the Asset Purchase Agreement (as defined below), dated as
of November 21, 2000, the Company has agreed to enter into this Agreement and to
grant to the Holder the registration rights set forth herein. In this regard, it
is agreed among the parties hereto as follows:

                                    AGREEMENT

         1. CERTAIN DEFINITIONS. As used herein, the following capitalized terms
shall have the following respective meanings:

                  "ASSET PURCHASE AGREEMENT" means that certain Asset Purchase
         Agreement of even date herewith by and among the Company, HCI
         Acquisition Corp., a New York corporation and wholly-owned subsidiary
         of the Company, Harriet Campbell Incorporated, a New York corporation,
         and Angus Campbell, an individual.

                  "CERTIFICATE OF INCORPORATION" shall mean the Certificate of
         Incorporation of the Company, as amended from time to time.

                  "COMMISSION" shall mean the Securities and Exchange
         Commission.

                  "COMMON STOCK" shall mean the Company's Common Stock, $.01 par
         value per share.

                  "EXCHANGE ACT" shall mean the Securities Exchange Act of 1934,
         as amended.

                  "HOLDER" shall mean Harriet Campbell Incorporated, or any
         assignee of record to whom rights hereunder have been validly assigned
         pursuant to Section 8.

                  "PERSON" shall mean any individual, corporation, association,
         partnership, limited liability company, trust or estate, organization,
         business, government or agency or political subdivision thereof or any
         other entity.

                  "REGISTRATION EXPENSES" shall have the meaning set forth in
         Section 5.
<PAGE>

                  "REGISTRABLE STOCK" shall mean the shares of Common Stock
         underlying those two Common Stock Purchase Warrants to acquire 133,333
         1/3 and 105,000 shares of Common Stock, respectively, subject to
         adjustment as provided therein (the "Warrants"), which have been
         acquired by Holder pursuant to a certain Asset Purchase Agreement
         between Holder and the Company, dated November 21, 2000 (the "Asset
         Purchase Agreement"), any shares of Common Stock issued with respect to
         such Common Stock by way of stock dividend, stock split or
         reclassification of the Common Stock, excluding such shares (a) which
         have been registered pursuant to an effective registration statement
         filed under the Securities Act and disposed of in accordance with said
         registration statement, or (b) which could be, in the opinion of
         counsel to the Company, publicly sold as of the date in question
         pursuant to Rule 144 under the Securities Act. In the event of a
         Reorganization Transaction, which is not a Sale Transaction, as such
         terms are defined in the Warrants, and if the Company adjusts in good
         faith the provisions of the Warrants pursuant to Section 4(e) thereof
         so that the Warrants become exercisable for another class of stock
         which is registered under the Exchange Act and which is listed for
         trading on an exchange, market or interdealer quotation system, then
         the Registrable Stock shall include such class of stock.

                  "SECURITIES ACT" shall mean the Securities Act of 1933, as
         amended.

                  "SELLING EXPENSES" shall have the meaning set forth in Section
         5.

         2. RESTRICTIVE LEGEND. Each certificate  representing Registrable Stock
shall,  except as  otherwise  provided  in this  Section 2 or in  Section  3, be
stamped or otherwise  imprinted  with a legend  substantially  in the  following
form:

                  "TRANSFER OF THIS CERTIFICATE IS RESTRICTED PURSUANT TO THE
                  PROVISIONS OF THE SECURITIES ACT OF 1933 (THE "ACT") AS
                  AMENDED, AND EACH HOLDER AGREES NOT TO TRANSFER THE SHARES
                  REPRESENTED THEREBY, UNLESS IT HAS RECEIVED AN OPINION OF
                  COUNSEL THAT AN EXEMPTION UNDER THE ACT EXISTS TO PERMIT SAME,
                  OR THAT THE TRANSFER OF THE SHARES IS REGISTERED UNDER THE
                  ACT."

A certificate shall not bear such legend if the transfer of the Registrable
Stock has been registered under the Securities Act or if in the opinion of
counsel reasonably satisfactory to the Company, the Registrable Stock may be
publicly sold without registration under the Securities Act, and is no lnger
subject to the restrictions of the Registration Rights Agreement.

         3. NOTICE OF THE PROPOSED  TRANSFER.  Prior to any proposed transfer of
any Registrable Stock (other than under the  circumstances  described in Section
4), the Holder  shall give  written  notice to the Company of his  intention  to
effect such transfer. Each such notice shall describe the manner of the proposed
transfer and, if requested by the Company, shall be accompanied by an opinion of
counsel  reasonably  satisfactory to the Company to the effect that the proposed
transfer  may  be  effected  without  registration  under  the  Securities  Act,
whereupon  the Holder shall be entitled to transfer  such  Registrable  Stock in
accordance with the terms of its

                                      -2-
<PAGE>

notice.  The restrictions  provided for in this
Section 3 shall  not apply to  securities  which  are not  required  to bear the
legend  prescribed  by  Section  2 in  accordance  with the  provisions  of that
Section.

         4. REGISTRATION OF SHARES.

                  (a) The  Company  shall use its best  efforts  to (i) effect a
shelf registration pursuant to Rule 415 promulgated under the Securities Act, by
filing a registration  statement (the  "Registration  Statement"),  within sixty
(60) days of the date hereof, on Form S-3 or other applicable form,  registering
for resale the Registrable Stock and (ii) cause the Registration Statement to be
declared  effective  under the Securities Act of 1933, as amended (the "Act") as
soon thereafter as reasonably  practicable.  The Company  promptly shall provide
Holder  with such  number of copies  of the final  prospectus  contained  in the
Registration  Statement  after it becomes  effective as Holder shall  reasonably
request. In addition,  the Company shall use its reasonable best efforts to keep
the Registration  Statement effective for (i) so long as any of the Warrants are
outstanding;  and (ii) for a period of 18 months  after all such  Warrants  have
been  exercised in their  entirety or until all the  Registrable  Stock is sold,
whichever  is  earlier.  There  shall  be no  obligation  to  keep  effective  a
Registration  Statement  for any  Registrable  Stock  issuable  pursuant  to any
Warrant which has expired or been cancelled prior to the exercise thereof.

                  (b) Notwithstanding anything contained herein to the contrary,
the  Company  shall be  entitled  to  postpone  the  filing of the  Registration
Statement  otherwise  required to be prepared and filed by it in accordance with
Section  4(a) or, in the  event the  Registration  Statement  has been  declared
effective,  without suspending such effectiveness,  instruct the Holder promptly
in writing (or any  subsequent  holders  thereof) not to sell or distribute  any
Registrable  Stock  (a  "Delay")  as  long  as  the  reason  for  non-disclosure
continues,  if the Company  would be  required  to disclose in the  Registration
Statement the existence of any fact relating to a material  business  situation,
transaction or negotiation,  or would be required to disclose  information  that
the  Company  has not  otherwise  made  public,  in each case,  that the Company
reasonably determines is in the best interests of the Company not to disclose at
such time,  and unless and until the Holder  furnishes to the Company in writing
information that may be required to prepare the disclosure required by Items 507
and 508 of Regulation  S-B  promulgated  under the Act, with respect to Holder's
Registrable  Stock being sold under the Registration  Statement;  provided that,
with respect to Delays  because of  information  related to the Company  (rather
than disclosure  required to be provided by the Holder),  the Company shall only
be entitled to a maximum of two (2) Delays per year,  each Delay not to exceed a
period of sixty (60) days; and further  provided,  that no period of Delay shall
commence within 60 days of a previous Delay; and further  provided,  that if any
Delay extends to a time beyond the expiration of the 18 month period referred to
in (a)  above,  the  Company  shall use best  efforts  to keep the  Registration
Statement effective for another 60 days after such Delay.

                  (c) The Holder shall (i) reasonably cooperate with the Company
in connection with the preparation and filing of the Registration  Statement and
execute and deliver any  agreements or instruments  reasonably  requested by the
Company or its counsel in connection  therewith and (ii) upon discovery that, or
upon the happening of any event as a result of which, the Registration Statement
(or any  prospectus  included  therein),  as then in effect,  includes an

                                      -3-
<PAGE>

untrue statement of a material fact or omits to state any material fact required
to be stated therein or necessary to make the statements therein not misleading,
in the light of the  circumstances  under which they were made (as determined by
the Company or its counsel in its sole  discretion),  forthwith  discontinue its
disposition of Registrable Stock pursuant to the Registration  Statement,  until
such time as the Holder (or any holders) has received a supplemented  or amended
prospectus from the Company relating thereto. The Company agrees to use its best
efforts to prepare any necessary  amendments or supplements to the  Registration
Statement as soon as reasonably practicable after the same becomes necessary and
to provide to the Holder quantities of such amendments or supplements reasonably
sufficient for the distribution thereof.

                  (d) With respect to the  Registration  Statement,  the Company
         shall:

                           (i) Prepare and file with the SEC such amendments and
                  supplements to such registration  statement and the prospectus
                  used in connection with such registration  statement as may be
                  necessary to comply with the  provisions of the Securities Act
                  with respect to the  disposition of all securities  covered by
                  such registration statement.

                           (ii) Use its best efforts to register and qualify the
                  securities  covered by such registration  statement under such
                  other  securities  or Blue Sky laws of such  jurisdictions  as
                  shall  be  reasonably  requested  by  the  Holders,   provided
                  however,  that the Company shall not be required in connection
                  therewith or as a condition  thereto to qualify to do business
                  or to file a general consent to service of process in any such
                  states or jurisdictions.

                           (iii) Notify each Holder of Registrable Stock covered
                  by such  registration  statement at any time when a prospectus
                  relating  thereto  is  required  to  be  delivered  under  the
                  Securities  Act of the  happening  of any event as a result of
                  which the prospectus included in such registration  statement,
                  as then in effect,  includes an untrue statement of a material
                  fact or omits to state a material  fact  required to be stated
                  therein  or  necessary  to make  the  statements  therein  not
                  misleading  in the light of the  circumstances  then  existing
                  and,  following such  notification,  promptly  deliver to each
                  Holder copies of all amendments or supplements  referred to in
                  paragraph (i) of this Section 4(d).

                           (iv) Use its  best  efforts  to list the  Registrable
                  Stock  covered  by  such   registration   statement  with  any
                  securities  exchange or interdealer  quotation system on which
                  the  equity  securities  of the  Company  are then  listed  or
                  quoted.

         5.  EXPENSES.  All  expenses  incurred  by  the  Company  in  effecting
registrations of Registrable Stock pursuant to the provisions of this Agreement,
including,  without  limitation,  all  registration  and filing  fees,  printing
expenses,  fees and  disbursements  of Company  counsel and  independent  public
accountants for the Company, fees and expenses (including counsel fees) incurred
in connection  with complying with state  securities or "blue sky" laws, fees of
the National  Association of Securities  Dealers,  Inc., transfer taxes, fees of
transfer agents and registrars and costs of insurance, but excluding any Selling
Expenses,  are  called  "REGISTRATION  EXPENSES".  All  underwriting  discounts,
selling commissions and underwriter expense

                                      -4-
<PAGE>

reimbursement  allowances applicable to the sale of Registrable Stock are called
"SELLING EXPENSES".

         The Company will pay all Registration Expenses in connection with the
registration of Registrable Stock pursuant to the provisions of this Agreement.
All Selling Expenses in connection with such registration statement shall be
borne by the participating sellers in proportion to the number of shares sold by
each, or by such participating sellers other than the Company (except to the
extent the Company shall be a seller) as they may agree.

         6. INDEMNIFICATION AND CONTRIBUTION.

                  (a) In the event of a registration  of any of the  Registrable
Stock under the Securities Act pursuant to the provisions of this Agreement, the
Company will indemnify and hold harmless the Holder, against any losses, claims,
damages or liabilities, joint or several, to which the Holder may become subject
under the Securities Act or otherwise,  insofar as such losses,  claims, damages
or  liabilities  (or actions in respect  thereof) arise out of or are based upon
any untrue  statement or alleged untrue statement of any material fact contained
in any registration  statement under which such Registrable Stock was registered
under the  Securities  Act pursuant to the  provisions  of this  Agreement,  any
preliminary  prospectus or final prospectus  contained therein, or any amendment
or supplement thereof, or arise out of or are based upon the omission or alleged
omission  to state  therein a material  fact  required  to be stated  therein or
necessary to make the statements therein not misleading,  or arise out of or are
based on any  violation or alleged  violation  by the Company of the  Securities
Act,  the  Exchange  Act,  any  federal or state  securities  law or any rule or
regulation promulgated under the Securities Act, the Exchange Act or any federal
or  state  securities  law in  connection  with  the  offering  covered  by such
registration  statement,  and will  reimburse  the Holder for any legal or other
expenses  reasonably  incurred  by  him  in  connection  with  investigating  or
defending any such loss, claim, damage,  liability or action;  provided that the
Company  will not be liable in any such case if and to the extent  that any such
loss,  claim,  damage  or  liability  arises  out of or is based  upon an untrue
statement or alleged untrue statement or omission or alleged omission so made in
conformity with information  furnished by the Holder in writing specifically for
use in such registration statement or prospectus.

                  (b) In the event of a registration  of any of the  Registrable
Stock under the Securities Act pursuant to the provisions of this Agreement, the
Holder will  indemnify and hold harmless the Company,  each person,  if any, who
controls the Company within the meaning of the  Securities  Act, each officer of
the Company who signs the registration statement,  each director of the Company,
each underwriter and each person who controls any underwriter within the meaning
of the Securities Act, against all losses, claims, damages or liabilities, joint
or  several,  to which the Company or such  officer,  director,  underwriter  or
controlling  person may become  subject under the  Securities  Act or otherwise,
insofar as such losses,  claims,  damages or liabilities  (or actions in respect
thereof)  arise out of or are based upon any untrue  statement or alleged untrue
statement of any material fact  contained in the  registration  statement  under
which such Registrable Stock was registered under the Securities Act pursuant to
the provisions of this Agreement, any preliminary prospectus or final prospectus
contained therein,  or any amendment or supplement  thereof,  or arise out of or
are based upon the omission or alleged omission to state therein a material fact
required to be stated  therein or necessary to make the  statements  therein

                                      -5-
<PAGE>

not misleading,  and will reimburse the Company and each such officer, director,
underwriter  and controlling  person for any legal or other expenses  reasonably
incurred by them in connection  with  investigating  or defending any such loss,
claim,  damage,  liability  or action;  provided  that the Holder will be liable
hereunder in an amount not to exceed the net proceeds  received by the Holder in
the sale of his Registrable Stock pursuant to such  registration  statement and,
in any such case, if and only to the extent that any such loss,  claim damage or
liability  arises out of or is based upon an untrue  statement or alleged untrue
statement  or  omission  or  alleged  omission  made  in  reliance  upon  and in
conformity  with  information  pertaining to the Holder,  as such,  furnished in
writing to the Company by the Holder  specifically for use in such  registration
statement or prospectus.

                  (c) Promptly after receipt by an indemnified  party  hereunder
of notice of the commencement of any action,  such indemnified party shall, if a
claim in respect thereof is to be made against the indemnifying party hereunder,
notify the indemnifying party in writing thereof,  but the omission so to notify
the  indemnifying  party shall not relieve it from any such liability other than
under this Section 6 and shall only relieve it from any  liability  which it may
have to such indemnified party if such indemnifying  party is prejudiced by such
omission. In case any such action shall be brought against any indemnified party
and it shall notify the  indemnifying  party of the  commencement  thereof,  the
indemnifying  party shall be entitled  to  participate  in and, to the extent it
shall  wish,  to  assume  and   undertake  the  defense   thereof  with  counsel
satisfactory to such  indemnified  party, and after notice from the indemnifying
party to such  indemnified  party  under  this  Section  6 to such  effect,  the
indemnifying  party  shall not be liable  for any  legal  expenses  subsequently
incurred by such indemnified  party in connection with the defense thereof other
than reasonable costs of investigation  and of liaison with counsel so selected;
provided that if the defendants in any such action include both the  indemnified
party and the indemnifying party and the indemnified party shall have reasonably
concluded  that  there  may be  reasonable  defenses  available  to it which are
different from or additional to those available to the  indemnifying  party, the
indemnified  party  shall  have the right to select a  separate  counsel  and to
assume such legal  defenses and otherwise to  participate in the defense of such
action,  with the expenses and fees of such separate  counsel and other expenses
related to such participation to be the responsibility of the indemnified party.

                  (d) No  settlement  may be made of an action  against a Person
which is required to be indemnified under this agreement,  without such Person's
consent; provided,  however, a settlement of an action that requires only a cash
payment may be  effected  by the  indemnifying  party  without  the  indemnified
Person's consent if full payment of the cash settlement  amount is made by or on
behalf of the indemnifying party.

                  (e) In order to provide for just and equitable contribution to
joint  liability  under the  Securities  Act in any case in which either (i) the
Holder  makes a claim for  indemnification  pursuant to this Section 6 but it is
judicially  determined  (by  entry of a final  judgment  or decree by a court of
competent jurisdiction and the expiration of time to appeal or the denial of the
last right of appeal) that such indemnification may not be enforced in such case
notwithstanding  the fact that this  Section 6 provides for  indemnification  in
such case, or (ii) contribution  under the Securities Act may be required on the
part of the Holder in circumstances for which  indemnification is provided under
this  Section 6, then,  and in each such case,  the  Company and the Holder will
contribute to the aggregate losses, claims, damages or liabilities to

                                      -6-
<PAGE>

which they may be subject (after contribution from others) in such proportion so
that the Holder is  responsible  for the portion  represented  by the percentage
that  the  public  offering  price  of  its  Registrable  Stock  offered  by the
registration  statement  bears to the public  offering  price of all  securities
offered by such  registration  statement (in an amount in any case not to exceed
the net  proceeds  received by the Holder in the sale of his  Registrable  Stock
pursuant to such registration statement), and the Company is responsible for the
remaining  portion;  provided that, in any such case, no person or entity guilty
of  fraudulent  misrepresentation  (within the  meaning of Section  11(f) of the
Securities Act) will be entitled to  contribution  from any person or entity who
was not guilty of such fraudulent misrepresentation.

                  (f)  The  provisions  of this  Section  6  shall  survive  the
termination of this agreement and the disposition by the Holder of its shares of
Registrable Stock.

         7. MISCELLANEOUS.

                  (a) Any notice  required under any provision of this Agreement
to be given shall be deemed to have been adequately  given if it is delivered in
person or sent by  certified  mail,  return  receipt  requested,  or by  private
courier  service to such party, at the address of such party as set forth above.
Notice given under this Agreement shall be effective upon receipt.

                  (b) No failure to exercise and no delay in exercising,  on the
part of the Company or the Holder of any right, power or privilege granted under
this Agreement shall operate as a waiver of such right, power, or privilege.  No
single or partial  exercise by the Company or the Holder of any right,  power or
privilege  granted  under this  Agreement  shall  preclude  any other or further
exercise  thereof or the exercise of any other right,  power or  privilege.  The
rights and  remedies  provided  in this  Agreement  are  cumulative  and are not
exclusive of any rights or remedies provided by law.

                  (c)  This  Agreement  may be  modified  or  amended  only by a
writing  signed by the  Company and the holders of a majority in interest of the
Registrable Stock.

                  (d) This  Agreement  shall be  governed  by and  construed  in
accordance  with  the  laws of the  State  of New  York  without  regard  to the
conflicts of laws  principles  thereof.  The headings of this  Agreement are for
purposes  of  convenience  only and shall not  control or affect the  meaning or
construction of any of the provisions of this Agreement.

                  (e) This  Agreement  shall be binding  upon and shall inure to
the benefit of the parties and their respective heirs, successors, and permitted
assigns.

                  (f) This Agreement  expresses the entire  understanding of the
Company and the Holder with respect to the subject  matter hereof and supersedes
all prior and contemporaneous  agreements and undertakings of the Company and of
the Holder with respect to the subject matter of this Agreement.

                  (g)  This   Agreement   may  be   executed   in  one  or  more
counterparts,  each of which shall be deemed to be an original  but all of which
taken together shall constitute one agreement.

                                      -7-
<PAGE>

                  (h) The  obligations  of the  Company  to  register  shares of
Registrable  Stock  under this  Agreement  shall  terminate  when the  Company's
obligation to keep the registration  statement  effective under Section 4 hereof
has been completed.

                  (i) If any provisions of this Agreement shall be determined to
be illegal and unenforceable by any court of law, the remaining provisions shall
be severable and enforceable in accordance with their terms.

                  (j) Whenever the context may require, any pronouns used herein
shall  include  the  corresponding  masculine,  famine or  neuter  forms and the
singular form of names and pronouns shall include the plural and vice-versa.

                  (k)  If  requested  in  writing  by  the  Company  or  by  the
underwriters for any public offering of securities of the Company pursuant to an
effective  registration  statement  under the  Securities  Act, the Holder shall
agree not to sell publicly any shares of  Registrable  Stock or any other shares
of Common  Stock  (other than  shares of  Registrable  Stock or other  shares of
Common Stock being  registered  in such  offering),  without the consent of such
underwriters, for a period of not more than the lesser of (i) 6 months following
the effective date of the registration  statement relating to such offering,  or
(ii) such period to which a President or Executive Vice President of the Company
owning shares of stock of the class being registered are bound.

         8. TRANSFER OR ASSIGNMENT OF REGISTRATION  RIGHTS.  The rights to cause
the Company to register a Holder's  Registrable  Stock granted to each Holder by
the Company under Section 4 may be  transferred  or assigned by such Holder to a
transferee or assignee of any of such Holder's Registrable Stock,  provided that
the  Company is given  written  notice by such Holder at the time of or within a
reasonable time after said transfer or assignment,  stating the name and address
of said  transferee or assignee and  identifying  the securities with respect to
which such registration  rights are being transferred or assigned,  and provided
further that the  transferee  or assignee of such rights  assumes in writing the
obligations of such Holder under this Agreement.

         9. RULE 144 REPORTING.  With a view to making available the benefits of
certain rules and regulations of the Commission which may at any time permit the
sale of the stock to the public without registration, the Company agrees to:

                  (a) make and keep public information available, as those terms
are understood and defined in Rule 144 under the Securities Act;

                  (b) use its best  efforts  to file  with the  Commission  in a
timely manner all reports and other documents  required of the Company under the
Securities Act and the Exchange Act; and

                  (c) furnish to each Holder  forthwith  upon  request a written
statement by the Company as to its compliance with the reporting requirements of
Rule 144 and of the  Securities  Act and the  Exchange  Act,  a copy of the most
recent  annual or quarterly  report of the Company,  and such other  reports and
documents  of the  Company as such  Holder may  reasonably  request in  availing
itself of any rule or regulation of the Commission  allowing such holder to sell
any stock without registration.

                                      -8-
<PAGE>

         IN WITNESS WHEREOF, the parties hereto have executed this Registration
Rights Agreement as of the date first above written.

                                              AMERICAN MEDICAL ALERT CORP.

                                              By:      /s/ Jack Rhian
                                                 -------------------------------
                                                  Name:
                                                  Title:

                                              HARRIET CAMPBELL INCORPORATED

                                                       /s/  Angus Campbell
                                                 -------------------------------

                                      -9-EXHIBIT 4.2 (i)

THE SECURITIES  REPRESENTED BY THIS WARRANT HAVE NOT BEEN  REGISTERED  UNDER THE
SECURITIES  ACT OF 1933,  AS AMENDED  (THE  "SECURITIES  ACT").  THEY MAY NOT BE
OFFERED OR TRANSFERRED  BY SALE,  ASSIGNMENT,  PLEDGE OR OTHERWISE  UNLESS (I) A
REGISTRATION STATEMENT FOR SUCH SECURITIES UNDER THE SECURITIES ACT IS IN EFFECT
OR (II) THE  COMPANY  HAS  RECEIVED  AN OPINION  OF  COUNSEL,  WHICH  OPINION IS
SATISFACTORY  TO THE  COMPANY,  TO THE  EFFECT  THAT  SUCH  REGISTRATION  IS NOT
REQUIRED FOR SUCH TRANSACTION UNDER THE SECURITIES ACT.

                          AMERICAN MEDICAL ALERT CORP.
                              3265 LAWSON BOULEVARD
                               OCEANSIDE, NY 11572

                          COMMON STOCK PURCHASE WARRANT
                          -----------------------------

                       DATE OF ISSUANCE: November 21, 2000

  RIGHT TO PURCHASE 133,333 1/3 SHARES OF COMMON STOCK (SUBJECT TO ADJUSTMENT)

         For value received, AMERICAN MEDICAL ALERT CORP., a New York
corporation (the "COMPANY"), hereby grants to Harriet Campbell Incorporated, its
successor and permitted assigns (the "REGISTERED HOLDER"), the right to purchase
from the Company 133,333 1/3 shares (as adjusted pursuant to Section 3 hereof)
of the Company's Common Stock, $.01 par value per share, at a price of $2.00 per
share (as adjusted pursuant to Section 3 hereof, the "EXERCISE PRICE"). The
amount and kind of securities which may be purchased pursuant to the rights
granted under this Warrant and the purchase price for such securities are
subject to adjustment pursuant to the provisions contained in this Warrant. This
Warrant shall be freely transferable subject to the provisions of Section 8
hereof, and such transferee shall be entitled to exercise all rights under this
Warrant, and shall be subject to all restrictions and limitations set forth
herein, and such transferee shall be, upon transfer, the Registered Holder of
this Warrant, as such term is used herein, in place of the transferor.

         This Warrant is subject to the following provisions:
<PAGE>

         1. Definitions.  As used in this Warrant,  the following terms have the
meanings set forth below:

                  "AFFILIATE" means, with respect to any Person, any other
Person that directly, or indirectly through one or more intermediaries,
controls, or is controlled by, or is under common control with, such Person.

                  "ASSET PURCHASE AGREEMENT" means that certain Asset Purchase
Agreement of even date herewith by and among the Company, HCI Acquisition Corp.,
a New York corporation and wholly-owned subsidiary of the Company, Harriet
Campbell Incorporated, a New York corporation, and Angus Campbell, an
individual.

                  "COMMISSION"  means the United States  Securities and Exchange
Commission.

                  "COMMON STOCK" means the Company's Common Stock, $.01 par
value per share.

                  "DATE OF ISSUANCE" shall have the meaning specified in Section
9 of this Warrant.

                  "MARKET PRICE" means as to any security, the daily closing
price for the period in question. The closing price for each day shall be the
last reported sales price or, in case no such reported sale takes place on such
day, the average of the reported closing bid and asked prices, in either case on
the principal national securities exchange on which the Common Stock is listed
or admitted to trading, or on the Nasdaq Stock Market or on the OTC Bulletin
Board, if that is the principal market for such security, or if not listed or
admitted to trading on any national securities exchange or on the Nasdaq Stock
Market or on the OTC Bulletin Board, the average of the highest reported bid and
lowest reported asked prices as furnished by the National Association of
Securities Dealers or, in the absence of any of the foregoing, such price as
shall be determined by the Board Directions in its good faith discretion.

                  "PERSON" means an individual, a partnership, a corporation, a
trust, a joint venture, a limited liability company, an unincorporated
organization, a government or any department or agency thereof or any other
entity.

                  "SALE TRANSACTION" means

                  (a) any of the following  transactions  effected with a Person
not an  Affiliate  of the  Company  prior to the  transaction:  (i) a merger  or
consolidation  of the Company with or into another issuer;  (ii) the exchange or
sale of all or a portion of the outstanding shares of the Company for securities
of another issuer, or other consideration  provided by such issuer or by another
party to such  transaction;  or (iii) the issuance of equity  securities  of the
Company or  securities  convertible  into equity  securities,  in  exchange  for
securities of another issuer or other  consideration  provided by such issuer or
by another  party to such  transaction;  and in the case of either (i),  (ii) or
(iii),  the Company's  shareholders  prior to the  transaction,  do not possess,
immediately after such transaction, more than 50% (not including the holdings of
the other issuer or affiliate  thereof,  if such Person was a shareholder of the
Company prior to the  transaction) of

                                      -2-
<PAGE>

the voting power of any one or more of the following:  (x) the Company; (y) such
other issuer; or (z) such other constituent party to the transaction; or

                  (b) a sale of all or substantially all of the Company's assets
to a third  party not an  Affiliate  of the  Company  immediately  prior to such
transaction.

                  "TRADING DAY" means a day on which the principal exchange,
market, or interdealer quotation system where the Company's Common Stock is
traded is open for trading, or if the Company's Common Stock is not then traded
on any securities exchange, market (including the NASDAQ Stock Market) or
through an interdealer quotation system (such as the OTC Bulletin Board or Pink
Sheets), then a Trading Day shall be defined as a day on which the New York
Stock Exchange is open for trading.

                  "WARRANTS" means this Warrant and all stock purchase warrants
issued in exchange therefor pursuant to the terms thereof.

                  "WARRANT STOCK" means shares of the Company's authorized but
unissued Common Stock, as adjusted from time to time in the manner provided
herein, issuable upon the exercise of the Warrants; provided that if there is a
change in the class of securities issuable upon exercise of the Warrant, then
the term "WARRANT STOCK" will mean one share of the security issuable upon
exercise of the Warrant if such security is issuable in shares, or will mean the
smallest unit in which such security is issuable if such security is not
issuable in shares.

         2. Exercise of Warrant.

                  2.1. Exercise Period. The Registered Holder may exercise this
Warrant, in whole or in parut not as to a fractional share of Warrant Stock), at
any time and from time to time after its Date of Issuance and prior to 5:00 p.m.
(New York time) on November 20, 2005 (the "EXERCISE PERIOD"), subject to Section
5.

                  2.2      Exercise Procedure.

         (a) This Warrant will be deemed to have been  exercised at such time as
the Company has received all of the following items (the "EXERCISE DATE"):

                  (i)  a  completed  Exercise  Agreement,  as  described  below,
         executed by the Person  exercising  all or part of the purchase  rights
         represented by this Warrant;

                  (ii) this Warrant;

                  (iii) a bank check  payable to the Company in the amount equal
         to the product of the Exercise Price multiplied by the number of shares
         of Warrant Stock being purchased upon such exercise;

                  (iv) in lieu of the bank check referred to in (iii) above, the
         Registered  Holder may exercise this Warrant by issuing an  irrevocable
         instruction letter to a securities broker reasonably  acceptable to the
         Company,  providing  that the  shares

                                      -3-
<PAGE>

         of Warrant  Stock for which this  Warrant  is being  exercised  will be
         immediately  resold by said broker and  proceeds in an amount  equal to
         the  Exercise  Price,   without  any  deduction   therefrom,   will  be
         immediately  remitted  to the  Company  upon such sale.  In  connection
         therewith,  the  Registered  Holder will enter into an agreement  for a
         coordinated  procedure  with the  Company and the broker to provide for
         the  remittance  of the  Exercise  Price  to the  Company  through  the
         proceeds of such sale; and

                  (v) in addition,  the Registered  Holder of this Warrant shall
         be required as a condition to the exercise thereof,  to affirm that the
         representations  and  warranties  set forth in  Section 11 are true and
         correct at and as of the date of exercise of this Warrant.

         (b) Certificates for shares of Warrant Stock purchased upon exercise of
this Warrant will be delivered by the Company to the  Registered  Holder  within
thirty days after the Exercise  Date.  Unless this Warrant has expired or all of
the purchase rights  represented  hereby have been  exercised,  the Company will
prepare a new Warrant,  substantially identical hereto,  representing the rights
formerly  represented by this Warrant which have not expired or been  exercised.
The Company will, within such thirty day period, deliver such new Warrant to the
Registered Holder.

         (c) The Warrant  Stock  issuable upon the exercise of this Warrant will
be deemed to have been issued to the Registered Holder on the Exercise Date, and
the Registered  Holder will be deemed for all purposes to have become the record
holder of such Warrant Stock on the Exercise Date, irrespective of whether stock
certificates have yet to be delivered.

         (d) The  issuance  of  certificates  for shares of  Warrant  Stock upon
exercise of this Warrant will be made without  charge to the  Registered  Holder
for any transfer or issuance  taxes in respect  thereof (which the Company shall
pay  when due and  payable),  or any  other  cost  incurred  by the  Company  in
connection  with such  exercise  and the  related  issuance of shares of Warrant
Stock;  provided,  however, that if the shares of Warrant Stock are to be issued
in a name other than that of the  Registered  Holder,  then such  Warrant  Stock
shall be delivered only when the person requesting such delivery has paid to the
Company the amount of transfer taxes or charges required in connection with such
issuance, if any.

         (e) The  Company  will not close its  books  for the  transfer  of this
Warrant or of any share of Warrant Stock issued or issuable upon the exercise of
this Warrant in any manner  which  interferes  with the timely  exercise of this
Warrant.  The  Company  will from  time to time  take all such  action as may be
necessary to assure that the par value per share of the unissued  Warrant  Stock
acquirable  upon  exercise of this Warrant is at all times equal to or less than
the Exercise Price then in effect.

         (f) Each certificate representing shares of Warrant Stock shall, except
as otherwise provided in this Section 2.2(f), be stamped or otherwise  imprinted
with a legend substantially in the following form:

                  "TRANSFER OF THIS CERTIFICATE IS RESTRICTED

                                      -4-
<PAGE>

                  PURSUANT TO THE  PROVISIONS OF THE  SECURITIES ACT OF 1933, AS
                  AMENDED  (THE "ACT"),  AND EACH HOLDER  AGREES NOT TO TRANSFER
                  THE SHARES REPRESENTED THEREBY,  UNLESS TRANSFER OF THE SHARES
                  IS  REGISTERED  UNDER THE ACT OR IT HAS RECEIVED AN OPINION OF
                  COUNSEL  THAT AN  EXEMPTION  UNDER  THE ACT  EXISTS  TO PERMIT
                  SAME."

                  A certificate shall not bear such legend if the transfer of
the Warrant Stock has been registered under the Securities Act, or in the
opinion of counsel satisfactory to the Company, the Warrant Stock may be
publicly sold without registration under the Securities Act.

                   2.3. Exercise Agreement. The Exercise Agreement will be
substantially in the form set forth in Exhibit I hereto, except that if the
shares of Warrant Stock are not to be issued in the name of the Registered
Holder of this Warrant, the Exercise Agreement will also state the name of the
Person to whom the certificates for the shares of Warrant Stock are to be
issued, and if the number of shares of Warrant Stock to be issued does not
include all the shares of Warrant Stock purchasable hereunder, it will also
state the name of the Person to whom a new Warrant for the unexercised portion
of the rights hereunder is to be delivered.

                  2.4. Fractional Shares. If a fractional share of Warrant Stock
would be issuable upon exercise of the rights represented by this Warrant, the
Company will, within 10 days after the Exercise Date, deliver to the Registered
Holder a check payable to the Registered Holder in lieu of such fractional
share, in an amount equal to the Current Market Price of such fractional share
as of the close of business on the Exercise Date.

         3. Exercise Price and Adjustment of Number of Shares.

                  3.1      General.

                  (a) The  Exercise  Price  and the  number  and type of  shares
issuable upon  exercise of this Warrant will be subject to adjustment  from time
to time pursuant to this Section 3.

                  (b) Reorganization,  Reclassification, Merger or Sale. In case
the Company shall effect a reorganization,  reclassification  of the outstanding
common stock, merger,  exchange of shares,  consolidation,  sale, lease or other
disposition of the Company's assets, including a Sale Transaction (collectively,
a   "Reorganization   Transaction"),   and,   pursuant  to  the  terms  of  such
Reorganization  Transaction,  shares of stock or other  securities,  property or
assets of the Company, successor or transferee or an Affiliate thereof are to be
received by or distributed to the holders of Common Stock,  then each Registered
Holder shall be provided  with written  notice from the Company  informing  each
Registered Holder of the terms of such  Reorganization  Transaction,  and of the
record date thereof for any distribution  pursuant thereto,  at least 10 days in
advance of such record date, and each Registered  Holder shall have, in addition
to the rights  provided  for herein (or in the event the Common Stock is changed
into a  different  security  or is

                                      -5-
<PAGE>

extinguished,  then in lieu of the right to receive  Common Stock upon  exercise
hereof),  the right to receive, at the Registered Holder's election,  either (i)
upon  exercise of the Warrants  held by such  Registered  Holder,  the number of
shares  of  stock  or other  securities,  property  or  assets  of the  Company,
successor transferee or Affiliate thereof or cash receivable upon or as a result
of such  Reorganization  Transaction,  by a holder  of the  number  of shares of
Common Stock for which such Registered  Holder's  Warrants are then  exercisable
immediately prior to such event or (ii) if provided for pursuant to the terms or
provisions of such  Reorganization  Transaction,  the securities  into which the
Warrants  are  converted  into,  upon,  or as a result of,  such  Reorganization
Transaction.  The provisions of this paragraph (b) of this  Subsection 3.1 shall
similarly  apply to successive  Reorganization  Transactions  discussed  herein,
provided  the Warrant has not been  canceled in a Sale  Transaction  pursuant to
Section 5.

                  (c) Subdivision or Combination of Common Stock. If the Company
declares a dividend or other distribution payable to its holders of Common Stock
in shares of Common Stock or subdivides its  outstanding  shares of Common Stock
into a larger number or combines its  outstanding  shares of Common Stock into a
smaller  number,  then the Exercise  Price in effect  immediately  prior to such
dividend,   subdivision   or   combination,   as  the  case  may  be,  shall  be
proportionately and appropriately increased or decreased.

                  (d) Notice of Adjustment. Whenever the Exercise Price shall be
adjusted as provided in this  Subsection  3.1, the Company shall forthwith file,
at the office of the transfer agent for the Warrants, at the principal office of
the  Company or at such  other  place as may be  designated  by the  Company,  a
statement,  certified by the chief financial officer of the Company,  showing in
detail the facts  requiring such adjustment and the Exercise Price that shall be
in effect  after such  adjustment.  The Company  shall also cause a copy of such
statement  to be sent by first class mail,  postage  prepaid to each  Registered
Holder  at such  Registered  Holder's  address  as shown in the  records  of the
Company.

                  3.2 Adjustment to Number of Shares of Common Stock Issuable
upon Exercise. Upon each adjustment of the Exercise Price pursuant to Section
3.1(c) hereof, the total number of shares of Common Stock issuable upon the
exercise of this Warrant shall be such number of shares of Common Stock
(calculated to the nearest 1/100th of a share) issuable at the Exercise Price in
effect immediately prior to such adjustment multiplied by a fraction, the
numerator of which shall be the Exercise Price in effect immediately prior to
such adjustment and the denominator of which shall be the Exercise Price in
effect immediately after such adjustment.

         4. Put Option.

                  (a) Subject to the terms and  provisions of this Section 4 for
a period of ten Trading Days  beginning on the first Trading Day after the third
anniversary  of the Date of  Issuance  (the  "Redemption  Notice  Period"),  the
Registered  Holder shall have the right to require the Company to repurchase and
redeem this Warrant,  in whole and not in part,  upon written notice ("Notice of
Redemption")  given by  Holder no later  than  5:00 p.m.  on the last day of the
Redemption  Notice  Period,  and the Company  shall be  obligated  to redeem and
repurchase  this Warrant,  within 5 days after the end of the Redemption  Notice
Period.

                                      -6-
<PAGE>

                  (b) The  aggregate  purchase  price for the  redemption of the
Warrant (the  "Redemption  Price") shall be equal to $5 (the "Put Factor") minus
the  Exercise  Price,  multiplied  by the  number  of shares  of  Warrant  Stock
underlying this Warrant at such time. For example, assuming the number of shares
of Warrant Stock  underlying this Warrant is equal to 133,333 1/3, the aggregate
Redemption Price shall be equal to that number  multiplied by $3.00 or $400,000.
In no event shall the aggregate Redemption Price exceed $400,000.

                  In the event of an  adjustment  to the Exercise  Price of this
Warrant  pursuant to the  provisions  of Section 3, then the Put Factor shall be
adjusted  proportionately  to any adjustment to the Exercise Price. For example,
in the event of a 2 for 1 forward  stock split,  the Exercise  Price and the Put
Factor  would both be reduced by half and the number of shares of Warrant  Stock
underlying the Warrant would be doubled.

                  As  a  further   illustration   of  the   operation   of  this
sub-paragraph  (a),  assume that a forward two for one stock split has  occurred
and assume that the  Registered  Holder  after such stock split  exercises  this
Warrant  for one  quarter  of the shares of Warrant  Stock  issuable  under this
Warrant.  In such a case,  the stock split would have caused the Exercise  Price
and the Put Factor to be adjusted  proportionately  so that the  Exercise  Price
would be $1.00  and the Put  Factor  would be  $2.50.  The  number  of shares of
Warrant Stock originally issuable (133,333 1/3) would, pursuant to the split, be
adjusted to 266,666 2/3.  Since this Warrant  will have been  exercised  for one
quarter of the shares of  Warrant  Stock  issuable  after  giving  effect to the
forward stock split (66,666 2/3),  there would only be 200,000 shares of Warrant
Stock remaining to be exercised under the Warrant.  The Redemption Price for the
unexercised  portion of the Warrant would then be equal to 200,000 multiplied by
$1.50 (equal to the Put Factor - $2.50 minus the then current  Exercise  Price -
$1.00) or $300,000.

                  (c) Notwithstanding  Section 4(a) and 4(b) above, in the event
that at the time the  Company  receives  the Notice of  Redemption,  the Warrant
Stock then underlying the Warrant (i) has been registered for resale or (ii) may
be resold pursuant to Rule 144 as promulgated under the Securities Act, then the
Company may, at its option,  in lieu of redeeming the Warrant under Section 4(a)
and 4(b),  require,  after receipt of the Notice of Redemption,  that the Holder
exercise  this Warrant in  accordance  with Section 2 hereof and,  within 5 days
after such exercise, the Company shall pay to the Registered Holder an aggregate
amount equal to the Put Factor (as the same may be adjusted  from time to time),
minus the average  Market Price per share of the  Company's  Common Stock during
the  Redemption  Notice  Period,  multiplied  by the number of shares of Warrant
Stock then  underlying  the Warrant.  The Company  shall advise  Holder within 5
trading  days  after the  receipt  of the  Notice of  Redemption,  whether it is
choosing  to honor its  obligations  under  Section  4(a) and (b) or under  this
Section (4)(c).

                  (d) The  provisions  of  this  Section  4 shall  automatically
terminate and be  inapplicable  if at any time,  from the Date of Issuance until
the commencement of the Redemption Notice Period,  the Market Price per share of
the  Company's  Common Stock exceeds the Put Factor (as the same may be adjusted
from time to time) for 10 consecutive Trading Days.

                  (e) In the event the Common  Stock is changed or  extinguished
in a Reorganization  Transaction,  which is not a Sale Transaction and therefore
does not result in a

                                      -7-
<PAGE>

cancellation  of the Warrant  under  Section 5, the  Company  will in good faith
adjust the  provisions  of this  Section 4 to apply it to the stock to which the
Common  Stock  has  been  changed,  or to the  stock  received  in  exchange  or
cancellation  therefor,  so as to give effect to the essential  purposes of this
paragraph 4.

                  (f) The  Company's  obligation  to make any payment under this
Section 4 shall be subject,  irrespective  of any transfer or assignment of this
Warrant, to the Company's setoff and other rights under Section 9.4 of the Asset
Purchase Agreement.

         5. Cancellation of Warrant. Unless previously exercised pursuant to the
provisions  hereof,  this  Warrant  shall be canceled  and all rights  hereunder
extinguished upon the earlier of:

                  (a) November 20, 2005 at 5:00 p.m.  (New York time) or if such
day is not a Trading Day, then the next Trading Day; or

                  (b) the closing of a Sale Transaction; provided, however, that
the Company  shall,  effective  upon closing of a Sale  Transaction,  pay to the
Registered  Holder  in  cancellation  of the  Warrant,  an  amount  equal to the
Redemption  Price, said amount to be (i) paid in cash, or (ii) at the Registered
Holder's  option,  such  amount  may be paid in the same  type of  consideration
(assets,  securities or other property),  and in the same relative proportion of
such  consideration  (if more than one type of  consideration is provided) as is
payable to each holder of Common Stock in such Sale Transaction.  In the case of
payment in accordance with subparagraph  5(b)(ii):  (x) securities paid shall be
valued at the value  attributed to them by the parties to the Sale  Transaction,
or if no such value has been so attributed,  at the average Market Price of such
securities  during the 10 Trading Day period  preceding  the closing of the Sale
Transaction;  (y) cash shall be valued at face value;  and (z) any other type of
consideration shall be valued at the value attributed by the parties to the Sale
Transaction,  or if no such value has been so attributed, then the value of such
other  consideration shall be as determined in good faith by the Company's Board
of  Directors.  In the event the  Registered  Holder  determines to exercise the
Warrant prior to the closing of a Sale Transaction, it must do so no less than 5
days prior to the closing of such Sale Transaction; provided, however, that such
exercise may be made contingent on the closing of such Sale Transaction.

                  (c) Notwithstanding the foregoing,  in the event the Company's
Common Stock has not been changed or extinguished in the Sale  Transaction  then
the  cancellation  of the Warrant  shall not be automatic but rather shall be at
the Company's  option,  said option to be exercised by notice to the  Registered
Holder not less than 10 days prior to the  closing of the Sale  Transaction  and
such option shall only be exercised if the Company pays to Registered Holder the
Redemption Price in cash at the closing of such Sale Transaction. If the Company
determines to cancel the Warrant under this  sub-paragraph  (c), the  Registered
Holder may still exercise this Warrant if such exercise is effected prior to the
5 day period referred to in the last sentence of  sub-paragraph  (b),  provided,
however,  that such exercise may be made  contingent on the closing of such Sale
Transaction.

                  (d) If  (i)  at any  time  prior  to the  commencement  of the
Redemption Notice Period, the Market Price of the Company's Common Stock exceeds
the Put  Factor  (as the  same may be  adjusted  from  time to time)  for any 10
consecutive  Trading Days; or (ii) if the closing of

                                      -8-
<PAGE>

a Sale Transaction  occurs after the expiration of the Redemption  Notice Period
and Notice of Redemption has not been given within the Redemption Notice Period,
then the Warrant will be canceled under Section 5(b) or cancelable under Section
5(c) upon a Sale  Transaction  without any requirement of payment by the Company
of the Redemption Price.

                  (e) The  Company's  obligation  to make any payment under this
Section 5 in cancellation of this Warrant shall be subject,  irrespective of any
transfer or  assignment  of this  Warrant,  to the  Company's  set off and other
rights under Section 9.4 of the Asset Purchase Agreement.

         6.  Reservation of Common Stock.  The Company will at all times reserve
and keep  available for issuance  upon the exercise of Warrants,  such number of
its  authorized  but unissued  shares of Common Stock as will be  sufficient  to
permit the exercise in full of all outstanding  Warrants,  as adjusted from time
to time,  and upon such  issuance  such  shares of Common  Stock will be validly
issued, fully paid and nonassessable.

         7. No Voting Rights;  Limitations  of Liability.  This Warrant will not
entitle the  Registered  Holder hereof to any voting rights or other rights as a
stockholder  of the Company.  No provision  of this  Warrant,  in the absence of
affirmative  action by the Registered  Holder to purchase  Warrant Stock, and no
enumeration  in this  Warrant  of the  rights or  privileges  of the  Registered
Holder, will give rise to any liability of such Holder for the Exercise Price of
Warrant Stock acquirable by exercise hereof or as a stockholder of the Company.

         8. Warrant Transferable.

                  (a)  Subject  to  the  transfer   conditions  referred  to  in
paragraph (b), below, this Warrant and all rights hereunder are transferable, in
whole and not in part, without charge to the Registered  Holder,  upon surrender
of this Warrant with a properly  executed  Assignment (in the form of Exhibit II
hereto) at the principal  office of the Company,  provided that any transfer tax
relating to such transaction  shall be paid by the Registered  Holder requesting
the same.

                  (b) Each Registered Holder  acknowledges that this Warrant has
not been registered  under the Securities  Act, and agrees not to sell,  pledge,
distribute, offer for sale, transfer or otherwise dispose of this Warrant or any
Warrant  Stock  issued  upon its  exercise  in the  absence of (i) an  effective
registration  statement  as to this  Warrant  or such  Warrant  Stock  under the
Securities Act (or any similar  statute then in effect),  or (ii) delivery of an
opinion  of  counsel   acceptable  to  the  Company  to  the  effect  that  such
registration  is not,  under the  circumstances,  required.  The  certificate(s)
representing  the Warrant Stock issued upon exercise of this Warrant will bear a
legend similar to the legend on the first page of this Warrant.

         9. Warrant  Exchangeable for Different  Denominations.  This Warrant is
exchangeable,  upon  the  surrender  hereof  by  the  Registered  Holder  at the
principal office of the Company,  for new Warrants of like tenor representing in
the aggregate the purchase rights hereunder,  and each of such new Warrants will
represent such portion of such rights as is designated by the Registered  Holder
at the time of such  surrender.  The  date the  Company  initially  issues  this
Warrant,  as set  forth on the face  thereof,  will be deemed to be the "Date of
Issuance" of this  Warrant  regardless  of the number of times new  certificates
representing the

                                      -9-
<PAGE>

unexpired  and  unexercised  rights  formerly  represented  by this  Warrant are
issued.

         9 A. Lost, Stolen, Mutilated or Destroyed Warrant. If this Warrant is
lost, stolen, mutilated or destroyed, the Company shall, on such terms as to
indemnity or otherwise as it may in its discretion reasonably impose (which
shall, in the case of a mutilated Warrant, include the surrender thereof), issue
a new Warrant of like denomination and tenor as the Warrant so lost, stolen,
mutilated or destroyed.

         10. Notice of Certain Actions.

         In case at any time:

         (a) the  Company  shall  declare  any  discretionary  dividend or other
distribution upon its common stock payable in securities;

         (b) there shall be any capital reorganization, or reclassification,  of
the capital  stock of the  Company,  or  consolidation  or merger of the Company
with,  or sale of all or  substantially  all its  assets  or stock  to,  another
corporation including a Reorganization Transaction;

         (c) there shall be a voluntary or involuntary dissolution,  liquidation
or winding-up of the Company; or

         (d) the Company  shall enter into an  agreement or adopt a plan for the
purpose of effecting a  consolidation,  merger,  or sale of all or substantially
all of its assets or stock;

then, in any one or more of said cases, the Company shall give written notice 10
days prior to such event, except in the case of an involuntary dissolution, by
first class mail, postage prepaid, to the Registered Holder of this Warrant, of
the date on which (a) the books of the Company shall close or a record shall be
taken for such dividend, distribution or subscription rights, or (b) such
reorganization, registration statement filing, reclassification, consolidation,
merger, sale, dissolution, liquidation or winding-up shall take place, as the
case may be. Such notice shall also specify the date as of which the owners of
any class of capital stock of record shall participate in such dividend,
distribution or subscription rights, or shall be entitled to exchange their
capital stock for securities or other property deliverable upon such
reorganization, reclassification, consolidation, merger, sale, dissolution,
liquidation, or winding-up, as the case may be.

         11.   Representations  of  Registered  Holder.  The  Registered  Holder
acknowledges  that  the  Company  will  rely  on  the  information  and  on  the
representations  set  forth  herein,  and  the  undersigned  hereby  represents,
warrants and agrees that:

                  11.1. Upon issuance of this Warrant, the Registered Holder is
an "Accredited Investor", as that term is defined under Section 501(a) of
Regulation D under the Act. Upon exercise of this Warrant, the Registered Holder
is an Accredited Investor or makes the representations specified in the second
sentence of Section 11.5.

                  11.2.  The  Registered  Holder has not  received  any  general
solicitation or general advertising regarding the exercise of the Warrant.

                                      -10-
<PAGE>

                  11.3. The Registered Holder has sufficient knowledge and
experience in financial and business matters so that he or it is able to
evaluate the merits and risks of exercising the Warrant as well as substantial
experience in previous private and public purchases of securities.

                  11.4. The Registered Holder understands that an investment in
the Company involves significant risk. The Registered Holder does not require
the funds to be used to exercise this Warrant or the Warrant Stock for his
liquidity or other needs, possesses the ability to bear the economic risk of
holding the this Warrant or the Warrant Stock purchased hereunder indefinitely
and can afford a complete loss of its investment in the this Warrant or the
Warrant Stock.

                  11.5. Prior to the Date of Issuance and prior to exercise, the
Registered Holder has had full opportunity to ask questions of and receive
answers from the Company and its officers and authorized representatives
regarding the terms and conditions of the Warrant and the transactions
contemplated hereby, as well as the affairs of the Company and related matters.
If the exemption for the exercise of this Warrant is Section 4(2) of the Act,
but such exercise is not exempt under Rule 506, then, upon exercise, the
Registered Holder also acknowledges that such Registered Holder has reviewed all
financial and business information and documentation necessary for such
Registered Holder to make an informed judgment as to the merits and risks of
investment decision entailed in the purchase or exercise of this Warrant. The
Registered Holder confirms that such Registered Holder does not desire to
receive any further information.

                  11.6. The Registered Holder understands that the Exercise
Price being purchased hereby has been arbitrarily determined and does not
necessarily bear any relationship to investment criteria such as projected
earnings, discounted cash flow, book value or other measures of value.

                  11.7. The Registered Holder understands that the Warrant has
not been filed with or reviewed by the Commission nor the securities department
of any state because of the private or limited nature of this offering as
defined by applicable laws, and that the Warrant and the Warrant Stock have not
been registered with the Commission under the Act nor with the securities
department of any state in reliance upon an exemption therefrom for non-public
offerings.

                  11.8. The Registered Holder is a resident of the state set
forth as its "address" below and further represents that (a) if a corporation,
partnership, trust or other form of business organization, it has a principal
office within such state; and (b) if an individual, he has his principal
residence in such state.

                  11.9. The Registered Holder represents and warrants that the
Warrant and the Warrant Stock is or will be acquired for investment purposes and
not with a view to or for sale or distribution. The Registered Holder represents
that there is no contract, undertaking, agreement or arrangement with any person
to sell, transfer or pledge to such person or anyone else the Warrant and the
Warrant Stock or any part thereof, and the Registered Holder has no present

                                      -11-
<PAGE>

plans to enter into such contract, undertaking, agreement or arrangement and
will neither directly or indirectly seek to assign, transfer or sell the same in
any way inconsistent with the legend which is being placed on the Warrant.

         12. Miscellaneous.

                  12.1.  Amendment and Waiver. The provisions of the Warrant may
be amended  and the Company may take any action  herein  prohibited,  or omit to
perform any act herein required to be performed by it, only with the affirmative
consent or approval of the Company and of the Registered Holder.

                  12.2. Notices. Any notices required to be sent to the
Registered Holder will be delivered to the address of such Registered Holder
shown on the books of the Company. All notices referred to herein will be
delivered in person or sent by first class mail, postage prepaid, return receipt
requested or by recognized overnight courier. Notices will be deemed to have
been given 3 days after mailing or 1 day after dispatch by courier, in either
case with proof of delivery shown. Notices may also be faxed for convenience.

                  12.3. Descriptive Headings: Governing Law. The descriptive
headings of the paragraphs of this Warrant are inserted for convenience only and
do not constitute a part of this Warrant. The construction, validity and
interpretation of this Warrant will be governed by the laws of the State of New
York without giving effect to the conflicts of laws principles thereof. Any
dispute arising hereunder shall be adjudicated exclusively in the Federal and
State courts located in New York County, New York, and the Company and the
Registered Holder of this Warrant waives any claims of inconvenient forum in
connection therewith.

                                      -12-
<PAGE>

         IN WITNESS WHEREOF, the Company has caused this Warrant to be signed
and attested by its duly authorized officers under its corporate seal on this
21st day of November, 2000.

                                              AMERICAN MEDICAL ALERT CORP.

                                              BY:   /s/ Jack Rhian
                                                 -------------------------------
                                                 NAME:
                                                 TITLE:

ATTEST:

--------------------------
Secretary

                                              THE PROVISIONS OF THIS WARRANT ARE
                                              ACCEPTED AND AGREED TO BY THE
                                              UNDERSIGNED.

                                              HARRIET CAMPBELL
                                              INCORPORATED

                                              BY: /s/ Angus Campbell
                                                 ---------------------
                                                 NAME:
                                                 TITLE:
                                                 ADDRESS:

                                      -13-
<PAGE>

                                                                       EXHIBIT I

                               EXERCISE AGREEMENT
                               ------------------

                                                      Dated: ___________________

To:      AMERICAN MEDICAL ALERT CORP.
         [ADDRESS]

         The undersigned, pursuant to the provisions set forth in the within
Warrant, hereby agrees to subscribe for and purchase ________ shares of the
Warrant Stock covered by such Warrant and makes payment herewith in full for
such Warrant Stock at the price per share provided by such Warrant. The
undersigned hereby represents and warrants that the representations and
warranties set forth in Section 11 of the Warrant are true and correct as of the
date hereof.

                                           Signature ---------------------------

                                           Address   ---------------------------

                                                     ---------------------------

                                      -14-
<PAGE>

                                                                      EXHIBIT II

                                   ASSIGNMENT
                                   ----------

         FOR VALUE RECEIVED, ____________________ hereby sells, assigns and
transfers all of the rights of the undersigned under the within Warrant with
respect to the number of shares of the Warrant Stock covered thereby set forth
below, unto:

    Names of Assignee                 Address                   No. of Shares
    -----------------                 -------                   -------------

         THE UNDERSIGNED ASSIGNEE HEREBY ACCEPTS AND AGREES TO BE BOUND TO THE
TERMS AND PROVISIONS OF THIS WARRANT.

                                                  ------------------------------
                                                           (ASSIGNEE)

                                      -15-

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