Document:

NEITHER THESE  SECURITIES  NOR THE  SECURITIES  INTO WHICH THESE  SECURITIES ARE
CONVERTIBLE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE  COMMISSION OR
THE  SECURITIES  COMMISSION  OF ANY STATE IN  RELIANCE  UPON AN  EXEMPTION  FROM
REGISTRATION  UNDER THE  SECURITIES  ACT OF 1933,  AS AMENDED  (THE  "SECURITIES
ACT"),  AND,  ACCORDINGLY,  MAY NOT BE OFFERED  OR SOLD  EXCEPT  PURSUANT  TO AN
EFFECTIVE  REGISTRATION  STATEMENT  UNDER THE  SECURITIES  ACT OR PURSUANT TO AN
AVAILABLE  EXEMPTION FROM, OR IN A TRANSACTION NOT SUBJECT TO, THE  REGISTRATION
REQUIREMENTS  OF THE  SECURITIES  ACT AND IN ACCORDANCE  WITH  APPLICABLE  STATE
SECURITIES  LAWS AS EVIDENCED BY A LEGAL OPINION OF COUNSEL TO THE TRANSFEROR TO
SUCH  EFFECT,  THE  SUBSTANCE  OF WHICH SHALL BE  REASONABLY  ACCEPTABLE  TO THE
COMPANY.

                                             Date of Issuance: November 18, 2005

                                                                      $2,100,000

                           CONVERTIBLE PROMISSORY NOTE
                               DUE March 17, 2006

      THIS CONVERTIBLE PROMISSORY NOTE is issued by Detto Technologies,  Inc., a
Delaware corporation (the "Company"),  designated as its Convertible  Promissory
Note, due March 17, 2006 (the "Convertible  Note") issued in connection with the
Company's  purchase of the Holder's  shares of the common stock of  WhiteCanyon,
Inc., a Utah corporation.

      FOR VALUE RECEIVED, the Company promises to pay to Stephen Elderkin or his
registered assigns (the "Holder"),  the principal sum of $2,100,000 on March 17,
2006 or such  earlier date as the  Convertible  Note is required to be repaid as
provided  hereunder (the "Maturity Date"),  and to pay interest to the Holder on
the  aggregate  unconverted  and  then  outstanding  principal  amount  of  this
Convertible  Note at the rate of 3% per annum,  payable on the Maturity  Date as
set forth  herein.  Interest  shall be calculated on the basis of a 360-day year
and shall accrue on the Maturity Date.

      This Convertible Note is subject to the following additional provisions:

1.  Issued  Pursuant  the  Company's   Purchase  of  the  Holder's  Stock.  This
Convertible  Note has been  issued  pursuant  to the  Company's  purchase of the
Holder's shares of the common stock of WhiteCanyon which, in part,  includes the
principal  amount  of this  Convertible  Note,  subject  to  certain  investment
representations of the original Holder set forth in a certain Purchase Agreement
entered into by the Holder and the Company on November  18, 2005 (the  "Purchase
Agreement").  This  Convertible  Note may be  transferred  or exchanged  only in
compliance with applicable  federal and state  securities laws and  regulations.
Prior to due presentment to the Company for transfer of this  Convertible  Note,
the Company and any agent of the Company may treat the Person in whose name this
Convertible  Note is duly  registered  on the  Convertible  Note Register as the
owner hereof for the purpose of receiving payment as herein provided and for all
other purposes, whether or not this Convertible Note is overdue, and neither the
Company nor any such agent shall be affected by notice to the contrary.

                                       1
<PAGE>

2. Recission  Option.  Commencing on the Maturity Date and extending  until this
Convertible Note is fully satisfied,  both the Company and the Holder shall have
the right to  rescind  the  transactions  described  in the  Purchase  Agreement
pursuant to Section 2.3 (c) of the Purchase  Agreement.  Upon exercise of either
the Company or the Holder of such recission option,  this Convertible Note shall
be terminated.

3. Events of Default.

            (a) "Event of Default",  wherever used herein,  means any one of the
following  events  (whatever  the reason and  whether it shall be  voluntary  or
involuntary or effected by operation of law or pursuant to any judgment,  decree
or order of any court, or any order, rule or regulation of any administrative or
governmental body):

                  (i) any default in the payment of the principal  of,  interest
on, or liquidated damages in respect of, any Convertible Note, free of any claim
of subordination,  as and when the same shall become due and payable (whether on
a Conversion Date or the Maturity Date or by  acceleration  or otherwise)  which
default  is not cured,  if  possible  to cure,  within 10 days of notice of such
default sent by the Holder;

                  (ii) the Company or any of its subsidiaries shall commence, or
there shall be commenced against the Company or any such subsidiary a case under
any  applicable  bankruptcy or insolvency  laws as now or hereafter in effect or
any successor  thereto,  or the Company commences any other proceeding under any
reorganization, arrangement, adjustment of debt, relief of debtors, dissolution,
insolvency  or  liquidation  or similar law of any  jurisdiction  whether now or
hereafter in effect  relating to the Company or any subsidiary  thereof or there
is commenced against the Company or any subsidiary  thereof any such bankruptcy,
insolvency  or other  proceeding  which remains  undismissed  for a period of 60
days;  or the Company or any  subsidiary  thereof is  adjudicated  insolvent  or
bankrupt;  or any  order of  relief or other  order  approving  any such case or
proceeding  is entered;  or the Company or any  subsidiary  thereof  suffers any
appointment of any custodian or the like for it or any  substantial  part of its
property which  continues  undischarged  or unstayed for a period of 60 days; or
the Company or any subsidiary thereof makes a general assignment for the benefit
of creditors; or the Company shall fail to pay, or shall state that it is unable
to pay, or shall be unable to pay,  its debts  generally  as they become due; or
the Company or any subsidiary thereof shall call a meeting of its creditors with
a view to arranging a composition,  adjustment or restructuring of its debts; or
the  Company  or any  subsidiary  thereof  shall  by any act or  failure  to act
expressly  indicate its consent to,  approval of or  acquiescence  in any of the
foregoing;  or any  corporate  or other  action is taken by the  Company  or any
subsidiary thereof for the purpose of effecting any of the foregoing.

            (b) Remedies Upon Default. Subject to Section 3 hereof, if any Event
of  Default  occurs  and is  continuing,  the  full  principal  amount  of  this
Convertible  Note,  together  with  interest and other  amounts owing in respect
thereof,  to the date of  acceleration  shall become at the  Holder's  election,
immediately due and payable in cash. The Holder need not provide and the Company
hereby waives any presentment,  demand, protest or other notice of any kind, and
the Holder may  immediately  and without  expiration of any grace period enforce
any and  all of its  rights  and  remedies  hereunder  and  all  other  remedies
available to it under  applicable  law.  Such  declaration  may be rescinded and
annulled by Holder at any time prior to payment  hereunder  and the Holder shall
have all rights as a  Convertible  Note holder  until such time,  if any, as the
full  payment  under  this  Section  shall  have  been  received  by it. No such
rescission or annulment  shall affect any subsequent  Event of Default or impair
any right consequent thereon.

                                       2
<PAGE>

4. Conversion.

      (a)  Conversion  Right.  At any time after the Original  Issue Date,  this
Convertible  Note shall be convertible into shares of Common Stock at the option
of the  Holder,  in whole  (and  not in part) at any time and from  time to time
(subject  to the  limitations  on  conversion  set  forth in this  Section  3(a)
hereof). The Holder shall effect the conversion by delivering to the Company the
form  of  Notice  of  Conversion  attached  hereto  as  Annex  A (a  "Notice  of
Conversion"),  specifying therein the principal amount of Convertible Note to be
converted and the date on which such conversion is to be effected (a "Conversion
Date").  If no  Conversion  Date is  specified  in a Notice of  Conversion,  the
Conversion  Date shall be the date that such  Notice of  Conversion  is provided
hereunder.  To effect  conversions  hereunder,  the Holder  shall be required to
physically surrender Convertible Note to the Company. The Holder and the Company
shall maintain  records showing the principal  amount  converted and the date of
such conversion.  The Holder and any assignee, by acceptance of this Convertible
Note, acknowledge and agree that, by reason of the provisions of this paragraph,
following  conversion of this  Convertible  Note,  the principal  amount of this
Convertible Note may be less than the amount stated on the face hereof.

      (b)  Underlying  Shares  Issuable  Upon  Conversion  and  Pursuant  to the
Conversion of Principal  Amount.  The number of shares of Common Stock  issuable
upon a  conversion  (the  "Underlying  Shares")  shall equal the quotient of the
principal  and  interest  outstanding  on the  Conversion  Date  divided  by the
Conversion Price (as defined herein). The conversion price shall be the ten (10)
market day average prior to the Conversion Date of the daily average bid and ask
price of the common stock of the Company (the "Conversion Price").

      (d) Deliveries Upon  Conversion.  Not later than 10 Trading Days after any
Conversion  Date,  the  Company  will  deliver  to the Holder a  certificate  or
certificates  representing  the  Underlying  Shares  representing  the number of
shares of Common Stock being acquired upon the  conversion of  Convertible  Note
(including,  if so  timely  elected  by the  Company,  shares  of  Common  Stock
representing the payment of accrued interest).

      (e) Adjustments.

            (i) If the  Company,  at any  time  while  the  Convertible  Note is
outstanding:  (A) shall pay a stock dividend or otherwise make a distribution or
distributions  on  shares  of its  Common  Stock or any  other  equity or equity
equivalent securities payable in shares of Common Stock (which, for avoidance of
doubt,  shall not  include  any  shares of Common  Stock  issued by the  Company
pursuant to this Convertible Note,  including interest  thereon),  (B) subdivide
outstanding  shares of Common Stock into a larger number of shares,  (C) combine
(including  by way of reverse  stock split)  outstanding  shares of Common Stock
into a smaller number of shares, or (D) issue by  reclassification  of shares of
the Common Stock any shares of capital stock of the Company, then the Conversion
Price  shall be  correspondingly  adjusted  to take  into  account  of the above
transactions.  Any  adjustment  made  pursuant  to  this  Section  shall  become
effective   immediately   after  the  record  date  for  the   determination  of
stockholders  entitled to receive such dividend or distribution and shall become
effective  immediately  after the effective  date in the case of a  subdivision,
combination or re-classification.

            (ii) All  calculations  under  this  Section  3 shall be made to the
nearest cent or the nearest 1/100th of a share, as the case may be.

      (f) The Company covenants that all shares of Common Stock that shall be so
issuable  shall,  upon issue, be duly and validly  authorized,  issued and fully
paid, nonassessable.

                                       3
<PAGE>

5.  Definitions.  For the  purposes  hereof,  in addition  to the terms  defined
elsewhere in this Convertible  Note: (a) capitalized terms not otherwise defined
herein have the meanings given to such terms in the Purchase Agreement,  and (b)
the following terms shall have the following meanings:

      "Business  Day"  means any day except  Saturday,  Sunday and any day which
shall be a federal  legal holiday in the United States or a day on which banking
institutions in the State of New York are authorized or required by law or other
government action to close.

      "Commission" means the Securities and Exchange Commission.

      "Common Stock" means the common stock, $0.0001 par value per share, of the
Company and stock of any other class into which such shares may  hereafter  have
been reclassified or changed.

      "Exchange Act" means the Securities Exchange Act of 1934, as amended.

      "Original  Issue  Date"  shall mean the date of the first  issuance of the
Convertible  Note regardless of the number of transfers of any Convertible  Note
and regardless of the number of instruments which may be issued to evidence such
Convertible Note.

      "Person" means a corporation, an association, a partnership, organization,
a business,  an individual,  a government or political  subdivision thereof or a
governmental agency.

      "Securities  Act" means the  Securities  Act of 1933, as amended,  and the
rules and regulations promulgated thereunder.

      "Trading  Day"  means  (a) a day on which the  shares of Common  Stock are
traded on a Principal Market on which the shares of Common Stock are then listed
or quoted,  or (b) if the shares of Common  Stock are not quoted on a  Principal
Market,  a  day  on  which  the  shares  of  Common  Stock  are  quoted  in  the
over-the-counter   market  as  reported  by  the   National   Quotation   Bureau
Incorporated (or any similar  organization or agency succeeding its functions of
reporting prices);  provided,  that in the event that the shares of Common Stock
are not listed or quoted as set forth in (a),  (b) and (c) hereof,  then Trading
Day shall mean a Business Day.

      "Underlying  Shares"  means  the  shares  of Common  Stock  issuable  upon
conversion of Convertible  Note or as payment of interest in accordance with the
terms hereof.

6. Debt  Obligation.  This  Convertible  Note is a direct debt obligation of the
Company. This Convertible Note ranks pari passu with all other Convertible Notes
now or hereafter issued under the terms set forth herein.

7.  Replacement  of Note. If this  Convertible  Note shall be  mutilated,  lost,
stolen or  destroyed,  the Company  shall  execute and deliver,  in exchange and
substitution for and upon  cancellation of a mutilated  Convertible  Note, or in
lieu of or in substitution for a lost,  stolen or destroyed  Convertible Note, a
new  Convertible  Note for the  principal  amount  of this  Convertible  Note so
mutilated,  lost,  stolen or destroyed but only upon receipt of evidence of such
loss,  theft or  destruction  of such  Convertible  Note,  and of the  ownership
hereof, and indemnity, if requested, all reasonably satisfactory to the Company.

                                       4
<PAGE>

8.  Interpretation;  Choice of Law. All questions  concerning the  construction,
validity,  enforcement  and  interpretation  of this  Convertible  Note shall be
governed by and construed  and enforced in accordance  with the internal laws of
the State of  Washington,  without  regard to the principles of conflicts of law
thereof.  Each party hereto hereby  irrevocably  waives,  to the fullest  extent
permitted  by  applicable  law,  any and all right to trial by jury in any legal
proceeding  arising  out  of  or  relating  to  this  Convertible  Note  or  the
transactions  contemplated  hereby.  If either party shall commence an action or
proceeding  to  enforce  any  provisions  of this  Convertible  Note,  then  the
prevailing  party in such action or proceeding  shall be reimbursed by the other
party for its reasonable  attorneys' fees and other costs and expenses  incurred
with  the   investigation,   preparation  and  prosecution  of  such  action  or
proceeding.

9. Waiver.  Any waiver by the Company or the Holder of a breach of any provision
of this  Convertible Note shall not operate as or be construed to be a waiver of
any other breach of such  provision  or of any breach of any other  provision of
this  Convertible  Note. The failure of the Company or the Holder to insist upon
strict  adherence to any term of this  Convertible Note on one or more occasions
shall not be  considered a waiver or deprive that party of the right  thereafter
to  insist  upon  strict  adherence  to  that  term  or any  other  term of this
Convertible Note. Any waiver must be in writing.

10. Miscellaneous. If any provision of this Convertible Note is invalid, illegal
or  unenforceable,  the balance of this Convertible Note shall remain in effect,
and if any provision is  inapplicable  to any person or  circumstance,  it shall
nevertheless  remain  applicable to all other persons and  circumstances.  If it
shall be found that any interest or other amount  deemed  interest due hereunder
violates  applicable laws governing  usury,  the applicable rate of interest due
hereunder shall  automatically be lowered to equal the maximum permitted rate of
interest.  The Company covenants (to the extent that it may lawfully do so) that
it shall not at any time insist upon,  plead, or in any manner  whatsoever claim
or take the benefit or advantage  of, any stay,  extension or usury law or other
law which would  prohibit or forgive the Company  from paying all or any portion
of the principal of or interest on the Convertible Note as contemplated  herein,
wherever enacted, now or at any time hereafter in force, or which may affect the
covenants or the performance of this  indenture,  and the Company (to the extent
it may lawfully do so) hereby  expressly waives all benefits or advantage of any
such law,  and  covenants  that it will not, by resort to any such law,  hinder,
delay or impeded the  execution of any power herein  granted to the Holder,  but
will  suffer and permit  the  execution  of every such as though no such law has
been enacted. Whenever any payment or other obligation hereunder shall be due on
a day  other  than a  Business  Day,  such  payment  shall  be made on the  next
succeeding Business Day.

                              *********************

                                       5
<PAGE>

      IN WITNESS  WHEREOF,  the Company has caused this  Convertible  Note to be
duly executed by a duly authorized officer as of the date first above indicated.

                                            DETTO TECHNOLOGIES, INC.

                                            By:
                                               -------------------------------
                                            Name:    Larry Mana'o
                                            Title:   Chief Executive Officer

<PAGE>

                                     ANNEX A

                              NOTICE OF CONVERSION

The undersigned hereby elects to convert principal under the Convertible Note of
Detto  Technologies,  Inc.  (the  "Company")  into  shares of common  stock (the
"Common Stock"),  of the Company  according to the conditions  hereof, as of the
date  written  below.  If shares are to be issued in the name of a person  other
than the  undersigned,  the undersigned will pay all transfer taxes payable with
respect  thereto and is delivering  herewith such  certificates  and opinions as
reasonably  requested  by the Company in  accordance  therewith.  No fee will be
charged to the holder for any  conversion,  except for such transfer  taxes,  if
any.

The Holder  certifies  that on the  Conversion  Date,  the  representations  and
warranties made by the Holder on the Purchase Agreement entered into on November
18 ,2005 in Sections 4.28, 4.29, 4.30 and 4.31 are true and correct.

The undersigned agrees to comply with the prospectus delivery requirements under
the applicable  securities laws in connection with any transfer of the aforesaid
shares of Common Stock.

                                            HOLDER:

                                            -------------------------------
                                             Stephen ElderkinDETTO TECHNOLOGIES, INC.

                           REPURCHASE OPTION AGREEMENT

      This Stock Issuance Agreement (the "Agreement") is made as of November 18,
2005,  by and among  Detto  Technologies,  Inc.,  a  Delaware  corporation  (the
"Corporation") and Stephen Elderkin (the "Stockholder").

                                R E C I T A L S :

      WHEREAS the  Stockholder  and the  Corporation  entered  into that certain
Purchase  Agreement  dated of even  date  herewith  (the  "Purchase  Agreement")
pursuant  to which  the  Corporation  agreed  to issue  1,400,000  shares of the
Corporation's Common Stock;

      WHEREAS as a  condition  to the  issuance  of the shares  pursuant  to the
Purchase Agreement, the Stockholder agreed to enter into this Agreement; and

      WHEREAS all  capitalized  terms in this  Agreement  shall have the meaning
assigned to them in this Agreement or in the attached Appendix, unless otherwise
indicated.

      NOW, THEREFORE, it is hereby agreed as follows:

1. Issuance of Shares.

      (a) Issuance.  The Company shall issue to the Stockholder 1,400,000 shares
of the  Corporation's  Common  Stock  pursuant to the  Purchase  Agreement  (the
"Acquired Shares").

      (b) Shareholder Rights.  Until such time as the Corporation  exercises the
Repurchase  Right (as defined in Section 4(a) hereof),  the  Stockholder (or any
successor in  interest)  shall have all the rights of a  shareholder  (including
voting,  dividend and liquidation  rights) with respect to the Acquired  Shares,
subject, however, to the transfer restrictions of this Agreement.

      (c)  Escrow.  The  Corporation  shall have the right to hold the  Acquired
Shares in escrow until those shares have vested in  accordance  with the Vesting
Schedule and the  Stockholder  shall execute (in blank) the Assignment  Separate
from Certificate in the form attached hereto as Exhibit 2.

      (d)  Compliance  With Law. Under no  circumstances  shall shares of Common
Stock or other assets be issued or delivered to the Stockholder  pursuant to the
provisions  of  this  Agreement  unless,  in the  opinion  of  counsel  for  the
Corporation  or its  successors,  there  shall  have  been  compliance  with all
applicable  requirements  of Federal and state  securities  laws, all applicable
listing  requirements of any stock exchange (or the NASDAQ National  Market,  if
applicable)  on which the Common Stock is at the time listed for trading and all
other  requirements of law or of any regulatory bodies having  jurisdiction over
such issuance and delivery.

2. Securities Law Compliance.

      (a) Exemption From  Registration.  The Stockholder  acknowledges  that the
Acquired Shares have not been registered  under the 1933 Act and are accordingly
being  issued  to the  Stockholder  in  reliance  upon the  exemption  from such
registration in accordance to the Purchase Agreement.

<PAGE>

      (b)  Disposition  of  Shares.  The  Stockholder  hereby  agrees  that  the
Stockholder  shall make no disposition  of the Acquired  Shares unless and until
there is compliance with all of the following requirement: the Stockholder shall
have provided the  Corporation  with written  assurances,  in form and substance
satisfactory to the  Corporation,  that: (A) the proposed  disposition  does not
require  registration  of the  Acquired  Shares  under the 1933 Act;  or (B) all
appropriate  action necessary for compliance with the registration  requirements
of the 1933 Act or of any exemption from  registration  available under the 1933
Act (including Rule 144) has been taken.

         The Corporation shall not be required: (i) to transfer on its books any
Acquired  Shares  which  have  been  sold or  transferred  in  violation  of the
provisions  of this  Agreement;  or (ii) to treat as the  owner of the  Acquired
Shares,  or otherwise to accord voting,  dividend or liquidation  rights to, any
transferee  to whom the Acquired  Shares have been  transferred  in violation of
this Agreement.

      (c) Restrictive  Legends. In order to reflect the restrictions  imposed by
this  Agreement  upon  the  disposition  of  the  Acquired  Shares,   the  stock
certificates for the Acquired Shares shall be endorsed with restrictive legends,
including one or more of the following legends:

            (i)  "THE  SHARES  REPRESENTED  BY THIS  CERTIFICATE  HAVE  NOT BEEN
REGISTERED  UNDER THE  SECURITIES  ACT OF 1933.  THE  SHARES  MAY NOT BE SOLD OR
OFFERED FOR SALE IN THE ABSENCE OF: (A) AN EFFECTIVE  REGISTRATION STATEMENT FOR
THE SHARES  UNDER  SUCH ACT;  (B) A `NO  ACTION'  LETTER OF THE  SECURITIES  AND
EXCHANGE  COMMISSION  WITH  RESPECT TO SUCH SALE OR OFFER;  OR (C)  SATISFACTORY
ASSURANCES TO THE CORPORATION THAT  REGISTRATION  UNDER SUCH ACT IS NOT REQUIRED
WITH RESPECT TO SUCH SALE OR OFFER."

            (ii) "THE SHARES  REPRESENTED BY THIS  CERTIFICATE  MAY NOT BE SOLD,
ASSIGNED,  TRANSFERRED,  ENCUMBERED,  OR IN ANY  MANNER  DISPOSED  OF  EXCEPT IN
CONFORMITY WITH THE TERMS OF A STOCK ISSUANCE  AGREEMENT BETWEEN THE CORPORATION
AND THE REGISTERED  HOLDER OF THE SHARES (OR THE  PREDECESSOR IN INTEREST TO THE
SHARES).  SUCH AGREEMENT GRANTS CERTAIN REPURCHASE RIGHTS TO THE CORPORATION (OR
ITS  ASSIGNEES)  UPON  THE  SALE,  ASSIGNMENT,  TRANSFER,  ENCUMBRANCE  OR OTHER
DISPOSITION  OF THE  SHARES.  A COPY  OF SUCH  AGREEMENT  IS  MAINTAINED  AT THE
CORPORATION'S  PRINCIPAL  CORPORATE  OFFICES.  ANY TRANSFER IN VIOLATION OF SAID
AGREEMENT IS NULL AND VOID."

3. Transfer Restrictions.  The Stockholder shall not transfer,  assign, encumber
or  otherwise  dispose of any of the  Acquired  Shares  which are subject to the
Repurchase Right.

4. Repurchase Right.

      (a) Grant.  The  Corporation is hereby granted the right (the  "Repurchase
Right"), exercisable at any time during the ninety (90) day period following the
date the Stockholder  ceases for any reason to remain in Service,  to repurchase
at a price of $0.01 per share all or any portion of the Acquired Shares in which
the  Stockholder is not, at the time of his or her cessation of Service,  vested
in  accordance  with the Vesting  Schedule or the special  vesting  acceleration
provisions of Section 4(e) hereof (such shares to be hereinafter  referred to as
the "Unvested Shares").

<PAGE>

      (b)  Exercise  of the  Repurchase  Right.  The  Repurchase  Right shall be
exercisable  by  written  notice  delivered  to  the  Stockholder  prior  to the
expiration of the ninety (90) day exercise period. The notice shall indicate the
number of Unvested Shares to be repurchased and the date on which the repurchase
is to be effected, such date to be not more than thirty (30) days after the date
of  such  notice.  The  certificates  representing  the  Unvested  Shares  to be
repurchased  shall be  delivered  to the  Corporation  on or before the close of
business on the date specified for the repurchase. Concurrently with the receipt
of such stock  certificates,  the Corporation shall pay to the Stockholder $0.01
per share.

      (c)  Termination  of the  Repurchase  Right.  The  Repurchase  Right shall
terminate  with  respect  to any  Unvested  Shares  for  which it is not  timely
exercised  under Section 4(b) hereof.  In addition,  the Repurchase  Right shall
terminate  and cease to be  exercisable  with  respect  to any and all  Acquired
Shares in which the Stockholder  vests in accordance with the following  Vesting
Schedule:

            (i) the  Stockholder  shall  acquire a vested  interest  in, and the
Repurchase Right shall lapse with respect to, the Acquired Shares in a series of
twenty-four   successive  equal  monthly  installments  upon  the  Stockholder's
completion of each additional month of Service over the twenty-four month period
measured from the date of this Agreement.

      (d)  Recapitalization.  Any new,  substituted or additional  securities or
other property (including cash paid other than as a regular cash dividend) which
is by reason of any stock split, stock dividend,  recapitalization,  combination
of shares,  exchange of shares or other  transaction  affecting the  outstanding
Common  Stock  as  a  class  effective  without  the  Corporation's  receipt  of
consideration  ("Recapitalization"),  distributed  with  respect to the Acquired
Shares  shall be  immediately  subject  to the  Repurchase  Right and any escrow
requirements  hereunder,  but only to the extent the Acquired  Shares are at the
time covered by such right or escrow  requirements.  Appropriate  adjustments to
reflect such distribution shall be made to the number and/or class of securities
subject  to this  Agreement  and to the  price  per  share  to be paid  upon the
exercise  of the  Repurchase  Right in order to  reflect  the effect of any such
Recapitalization  upon the Corporation's capital structure;  provided,  however,
that the aggregate purchase price shall remain the same.

      (e) Change in Control.  Immediately  prior to the consummation of a Change
in Control  transaction,  the Repurchase Right shall  automatically lapse in its
entirety and the Acquired Shares shall vest in full.

      (f) Death or Disability

            In the case of death of the  Stockholder  the  Acquired  Share shall
vest in full. In the case of  Disability,  which shall mean the inability of the
Stockholder  remain in Service (or perform  similar service to any one else) due
to a physical or mental impairment, the Repurchase Right will be suspended until
such time as the Stockholder can resume the Service. The Corporation will have a
reasonable  right  to have  the  Disability  confirmed  by  independent  medical
sources.

5. General Provisions.

      (a) Assignment. The Corporation may assign its Repurchase Right and/or its
Special Purchase Right to any person or entity selected by the Board,  including
(without limitation) one or more stockholders of the Corporation.

      (b) No Employment or Service Contract. Nothing in this Agreement or in the
Plan shall confer upon the  Stockholder any right to continue in Service for any
period of specific  duration or interfere with or otherwise  restrict in any way
the rights of the Corporation (or any Parent or Subsidiary) or the  Stockholder,
which  rights  are  hereby   expressly   reserved  by  each,  to  terminate  the
Stockholder's  Service  at any time for any reason  whatsoever,  with or without
cause.

<PAGE>

      (c) Notices.  Any notice  required in connection  with: (i) the Repurchase
Right,  or the Special  Purchase  Right; or (ii) the disposition of any Acquired
Shares covered  thereby shall be given in writing and shall be deemed  effective
upon personal delivery or upon deposit in the United States mail,  registered or
certified, postage prepaid and addressed to the party entitled to such notice at
the address  indicated below such party's signature line on this Agreement or at
such other address as such party may designate by ten (10) days advance  written
notice under this Section 6(c) to all other parties to this Agreement.

      (d) No Waiver.  The failure of the  Corporation  (or its assignees) in any
instance to exercise the Repurchase  Right or the failure of the Corporation (or
its assignees) in any instance to exercise the Special  Purchase Right shall not
constitute a waiver of any other  purchase  rights that may  subsequently  arise
under the  provisions  of this  Agreement  or any other  agreement  between  the
Corporation and the Stockholder or the  Stockholder's  spouse.  No waiver of any
breach  or  condition  of this  Agreement  shall be deemed to be a waiver of any
other or subsequent breach or condition, whether of like or different nature.

      (e)  Cancellation of Shares.  If the Corporation (or its assignees)  shall
make  available,  at the time and place and in the amount and form  provided  in
this Agreement,  the  consideration for the Acquired Shares to be repurchased in
accordance with the provisions of this Agreement, then from and after such time,
the person from whom such shares are to be repurchased  shall no longer have any
rights as a holder of such shares  (other  than the right to receive  payment of
such  consideration  in accordance  with this  Agreement).  Such shares shall be
deemed purchased in accordance with the applicable  provisions  hereof,  and the
Corporation  (or its  assignees)  shall be deemed  the owner and  holder of such
shares, whether or not the certificates therefor have been delivered as required
by this Agreement.

      (f)  Indemnification  of  the  Corporation.   The  Stockholder  agrees  to
indemnify  and hold the  Corporation  free and  harmless  from any and all loss,
damage or expense suffered by the Corporation  resulting from any breach of this
Agreement  by  the  Stockholder  or  any  inaccuracy  or  breach  of  any of the
representations, warranties or covenants contained herein by the Stockholder.

6. Miscellaneous Provisions.

      (a) The Stockholder  Undertaking.  The  Stockholder  hereby agrees to take
whatever  additional  action  and  execute  whatever  additional  documents  the
Corporation  may deem necessary or advisable in order to carry out or effect one
or more of the obligations or restrictions  imposed on either the Stockholder or
the Acquired Shares pursuant to the express provisions of this Agreement.

      (b) Agreement is Entire  Contract.  This Agreement  constitutes the entire
contract  between the parties  hereto with regard to the subject  matter hereof.
This Agreement is made pursuant to the provisions of the Purchase  Agreement and
shall in all  respects be  construed in  conformity  with the express  terms and
provisions of the Purchase Agreement.

      (c) Governing Law. This  Agreement  shall be governed by, and construed in
accordance  with,  the laws of the State of  Washington  without  resort to that
State's conflict-of-laws rules.

      (d) Counterparts.  This Agreement may be executed in counterparts, each of
which  shall  be  deemed  to be an  original,  but all of which  together  shall
constitute one and the same instrument.

<PAGE>

      (e) Successors and Assigns. Subject to the transfer restrictions contained
herein,  the provisions of this Agreement  shall inure to the benefit of, and be
binding upon, the Corporation and its successors and assigns and the Stockholder
and the Stockholder's  legal  representatives,  heirs,  legatees,  distributees,
assigns and  transferees  by  operation  of law,  whether or not any such person
shall have become a party to this  Agreement  and have agreed in writing to join
herein and be bound by the terms and conditions hereof.

      (f) Power of  Attorney.  The  Stockholder's  spouse  hereby  appoints  the
Stockholder  his or her true and lawful  attorney in fact, for him or her and in
his or her name, place and stead,  and for his or her use and benefit,  to agree
to any amendment or  modification  of this Agreement and to execute such further
instruments  and take such  further  actions as may  reasonably  be necessary to
carry out the intent of this Agreement.  The Stockholder's  spouse further gives
and grants unto the  Stockholder  as his or her  attorney in fact full power and
authority  to do and perform  every act  necessary  and proper to be done in the
exercise of any of the foregoing  powers as fully as he or she might or could do
if personally  present,  with full power of substitution and revocation,  hereby
ratifying and confirming all that the Stockholder shall lawfully do and cause to
be done by virtue of this power of attorney.

      (g) Attorneys' Fees. In the event of any litigation between the parties to
enforce any of the provisions of this  Agreement,  the  non-prevailing  party to
such  litigation  agrees to pay the  prevailing  party  all costs and  expenses,
including reasonable  attorneys' fees, incurred therein by the prevailing party,
all of  which  shall  be  included  in and be a part  of the  judgment  in  such
litigation.

      (h) Time of Essence.  Time is expressly made the essence of this Agreement
and every provision hereof of which time of performance is a factor.

<PAGE>

IN WITNESS WHEREOF, the parties have executed this Agreement on the day and year
first indicated above.

                                     DETTO TECHNOLOGIES, INC,
                                     a Delaware corporation

                                     By:
                                        ---------------------------------------
                                         Larry Mana'o
                                         Chief Executive Officer

                                     By:
                                        ---------------------------------------
                                    Name:  Stephen Elderkin

<PAGE>

                                        ---------------------------------------
                                                     [SIGNATURE OF SPOUSE]

                                        ---------------------------------------
                                                     [NAME OF SPOUSE]

                               Address:
                                        ---------------------------------------
                                        ---------------------------------------

<PAGE>

                              APPENDIX TO EXHIBIT A

                                   DEFINITIONS

      A. "Board" shall mean the Corporation's Board of Directors.

      B. "Common Stock" shall mean the Corporation's common stock.

      C. "Change in Control"  shall mean a change in ownership or control of the
Corporation effected through any of the following transactions:

            (i) a  merger,  consolidation  or  reorganization  approved  by  the
Corporation's  stockholders,  unless  securities  representing  more than  fifty
percent (50%) of the total combined voting power of the voting securities of the
successor corporation are immediately thereafter beneficially owned, directly or
indirectly  and  in  substantially  the  same  proportion,  by the  persons  who
beneficially owned the Corporation's  outstanding voting securities  immediately
prior to such transaction;

            (ii) any  stockholder-approved  transfer or other disposition of all
or substantially all of the Corporation's assets; or

            (iii) the  acquisition,  directly  or  indirectly  by any  person or
related group of persons  (other than the  Corporation or a person that directly
or indirectly  controls,  is controlled by, or is under common control with, the
Corporation),  of beneficial  ownership (within the meaning of Rule 13d-3 of the
1934 Act) of  securities  possessing  more than fifty percent (50%) of the total
combined voting power of the Corporation's  outstanding securities pursuant to a
tender or exchange offer made directly to the Corporation's  stockholders  which
the Board recommends such stockholders accept.

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

      E. "Fair Market  Value" of a share of Common  Stock on any relevant  date,
shall be the  closing  bid price of the  Corporation's  common  stock;  provided
however,  if the Corporation's  Common Stock is not traded,  quoted or listed on
any exchange or national  quotation system,  the fair market value of a share of
Common Stock shall be determined by the  Corporation's  Board of Directors after
taking into account such factors as it shall deem appropriate.

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

      G. "Parent" shall mean any corporation  (other than the Corporation) in an
unbroken  chain of  corporations  ending  with the  Corporation,  provided  each
corporation in the unbroken chain (other than the Corporation) owns, at the time
of the determination,  stock possessing fifty percent (50%) or more of the total
combined  voting power of all classes of stock in one of the other  corporations
in such chain.

H. "Reorganization" shall mean any of the following  transactions:

            (i) a merger or  consolidation  in which the  Corporation is not the
surviving entity,

<PAGE>

            (ii) a sale,  transfer or other  disposition of all or substantially
all of the Corporation's assets,

            (iii) a reverse  merger in which the  Corporation  is the  surviving
entity  but  in  which  the  Corporation's  outstanding  voting  securities  are
transferred in whole or in part to a person or persons other than those who held
such  securities  immediately  prior  to the  merger,  or

            (iv) any transaction effected primarily to change the state in which
the Corporation is incorporated or to create a holding company structure.

      I. "SEC" shall mean the Securities and Exchange Commission.

      J.  "Service"  shall mean the provision of services to the  Corporation or
any Parent or  Subsidiary  by an  individual  in the  capacity  of an  employee,
subject to the control and direction of the employer  entity as to both the work
to be performed and the manner and method of performance,  a non-employee member
of the board of directors, a consultant or an independent advisor.

      K. "Subsidiary" shall mean any corporation (other than the Corporation) in
an unbroken chain of corporations beginning with the Corporation,  provided each
such corporation  (other than the last  corporation) in the unbroken chain owns,
at the time of the  determination,  stock possessing fifty percent (50%) or more
of the total  combined  voting power of all classes of stock in one of the other
corporations  in such  chain.

      L. "Vesting Schedule" shall mean the vesting schedule specified in Section
4(c) of this Agreement,  subject to the special vesting acceleration  provisions
of Section 4(e) of this Agreement.

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