Document:

Exhibit 4.3
                              (SEE REVERSE LEGEND)

                (THIS WARRANT WILL BE VOID IF NOT EXERCISED PRIOR
                        TO 5:00 P.M. DENVER TIME, , 2010)

Number                           A4S SECURITY, INC.                     Warrants

                                     WARRANT

                                                              CUSIP ____________

THIS CERTIFIES THAT, for value received,

is the registered holder of a Warrant or Warrants expiring          , 2010 (the
"Warrant") to purchase one fully paid and non-assessable share of Common Stock,
no par value per share ("Shares"), of A4S Security, Inc., a Colorado corporation
(the "Company") for each one Warrant evidenced by this Warrant Certificate. The
Warrant entitles the holder thereof to purchase from the Company, commencing on
the date the Warrant is separated from the Unit of which it is a part, such
number of Shares of the Company at the price of $ per share, upon surrender of
this Warrant Certificate and payment of the Warrant Price at the office or
agency of the Warrant Agent, Corporate Stock Transfer, Inc. (such payment to be
made by check made payable to the Warrant Agent), but only subject to the
conditions set forth herein and in the Warrant Agreement between the Company and
Corporate Stock Transfer, Inc. The Warrant Agreement provides that upon the
occurrence of certain events the Warrant Price and the number of Warrant Shares
purchasable hereunder, set forth on the face hereof, may, subject to certain
conditions, be adjusted. The term Warrant Price as used in this Warrant
Certificate refers to the price per Share at which Shares may be purchased at
the time the Warrant is exercised.

     No fraction of a Share will be issued upon any exercise of a Warrant. If
the holder of a Warrant would be entitled to receive a fraction of a Share upon
any exercise of a Warrant, the Company shall, upon such exercise, round up to
the nearest whole number the number of Shares to be issued to such holder.

     Upon any exercise of the Warrant for less than the total number of full
Shares provided for herein, there shall be issued to the registered holder
hereof or his assignee a new Warrant Certificate covering the number of Shares
for which the Warrant has not been exercised.

     Warrant Certificates, when surrendered at the office or agency of the
Warrant Agent by the registered holder hereof in person or by attorney duly
authorized in writing, may be exchanged in the manner and subject to the
limitations provided in the Warrant Agreement, but without payment of any
service charge, for another Warrant Certificate or Warrant Certificates of like
tenor and evidencing in the aggregate a like number of Warrants.

     Upon due presentment for registration of transfer of the Warrant
Certificate at the office or agency of the Warrant Agent, a new Warrant
Certificate or Warrant Certificates of like tenor and evidencing in the
aggregate a like number of Warrants shall be issued to the transferee in
exchange for this Warrant Certificate, subject to the limitations provided in
the Warrant Agreement, without charge except for any applicable tax or other
governmental charge.

     The Company and the Warrant Agent may deem and treat the registered holder
as the absolute owner of this Warrant Certificate (notwithstanding any notation
of ownership or other writing hereon made by anyone), for the purpose of any
exercise hereof, of any distribution to the registered holder, and for all other
purposes, and neither the Company nor the Warrant Agent shall be affected by any
notice to the contrary.

     This Warrant does not entitle the registered holder to any of the rights of
a Stockholder of the Company until exercised.

     The Company reserves the right to call the Warrant, at any time after
__________, 2008 and prior to its exercise, with a notice of call in writing to
the Warrantholders of Record, giving 30 days' notice of such call at any time
after the Warrant becomes exercisable if the last sale price of the Shares has
been at least $_______ per share on each of 30 consecutive trading days prior to
the date on which notice of such call is given. The call price of the Warrants
is to be $.10 per Warrant. Any Warrant either not exercised, or tendered back to
the Company by the end of the date specified in the notice of call, shall be
canceled on the books of the Company and have no further value except for the
$.10 call price.

Countersigned:

CORPORATE STOCK TRANSFER, INC.
          (Denver, Colorado)
                     as Warrant Agent,   A4S SECURITY,    By:
                                              INC.
                                           CORPORATE
                                              SEAL
                    ----------------------------    ----------------------------
By:
                    SIGNATURE TO COME               SIGNATURE TO COME

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

                                    COLORADO
                                        X

Authorized Officer                     Secretary                       President

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

<PAGE>

                                SUBSCRIPTION FORM
      To Be Executed by the Registered Holder in Order to Exercise Warrants

The undersigned Registered Holder irrevocably elects to exercise       Warrants
represented by this Warrant Certificate, and to purchase the shares of Common
Stock issuable upon the exercise of such Warrants, and requests that
Certificates for such shares shall be issued in the name of

________________________________________________________________________________
                     (PLEASE TYPE OR PRINT NAME AND ADDRESS)

________________________________________________________________________________

________________________________________________________________________________

________________________________________________________________________________
                 (SOCIAL SECURITY OR TAX IDENTIFICATION NUMBER)

                               and be delivered to

________________________________________________________________________________
                     (PLEASE PRINT OR TYPE NAME AND ADDRESS)

________________________________________________________________________________
and, if such number of Warrants shall not be all the Warrants evidenced by this
Warrant Certificate, that a new Warrant Certificate for the balance of such
Warrants be registered in the name of, and delivered to, the Registered Holder
at the address stated below:

Dated:  ________________                 ______________________________________
                                                      (SIGNATURE)

                                         ______________________________________
                                                      (ADDRESS)

                                         ______________________________________
                                               (TAX IDENTIFICATION NUMBER)

                                   ASSIGNMENT
       To Be Executed by the Registered Holder in Order to Assign Warrants

For Value Received, _____________________________________ hereby sell, assign,
and transfer unto

________________________________________________________________________________
                     (PLEASE TYPE OR PRINT NAME AND ADDRESS)

________________________________________________________________________________

________________________________________________________________________________

________________________________________________________________________________
                 (SOCIAL SECURITY OR TAX IDENTIFICATION NUMBER)

                               and be delivered to

________________________________________________________________________________
                     (PLEASE PRINT OR TYPE NAME AND ADDRESS)

____________________________________of the Warrants represented by this Warrant
Certificate, and hereby irrevocably constitute and appoint
__________________________________________________________ Attorney to transfer
this Warrant Certificate on the books of the Company, with full power of
substitution in the premises.

Dated:  ________________            ______________________________________
                                                (SIGNATURE)

THE SIGNATURE TO THE ASSIGNMENT OF THE SUBSCRIPTION FORM MUST CORRESPOND TO THE
NAME WRITTEN UPON THE FACE OF THIS WARRANT CERTIFICATE IN EVERY PARTICULAR,
WITHOUT ALTERATION OR ENLARGEMENT OR ANY CHANGE WHATSOEVER, AND MUST BE
GUARANTEED BY A COMMERCIAL BANK OR TRUST COMPANY OR A MEMBER FIRM OF THE
AMERICAN STOCK EXCHANGE, NEW YORK STOCK EXCHANGE, PACIFIC STOCK EXCHANGE/ARCAEX
OR CHICAGO STOCK EXCHANGE.

________________________________________________________________________________Exhibit 4.4

     NUMBER                          A4S LOGO                            UNITS

U                                                        SEE REVERSE FOR CERTAIN
                                                       DEFINITIONS CUSIP _______

                               A4S SECURITY, INC.
              INCORPORATED UNDER THE LAWS OF THE STATE OF COLORADO

This Certifies that

is the owner of

                     FULLY PAID AND NON-ASSESSABLE UNITS OF
                               A4S SECURITY, INC.

transferable on the books of the Corporation by the registered holder hereof in
person or by duly authorized attorney, upon surrender of this Certificate
properly endorsed. Each Unit (a "Unit") consists of one (1) share of common
stock, no par value per share (the "Common Stock"), of A4S Security, Inc., a
Colorado corporation (the "Corporation"), and one (1) redeemable warrant to
purchase one share of Common Stock (the "Warrant"). Each Warrant entitles the
holder to purchase one (1) share of Common Stock for $ per share (subject to
adjustment). The Warrants will become exercisable beginning , 2005 and will
expire unless exercised before 5:00 p.m., New York City Time, on , 2010, or
earlier upon redemption.

     This Certificate is not valid until countersigned and registered by the
Transfer Agent.

     IN WITNESS WHEREOF, the said Corporation has caused this Certificate to be
signed by its duly authorized officers and sealed with the facsimile seal of the
Corporation.

Dated:

-----------------                                          ------------------
                           A4S SECURITY, INC.
SIGNATURE TO COME        CORPORATE SEAL COLORADO           SIGNATURE TO COME
                                    X
-----------------                                          ------------------

   SECRETARY                                                    PRESIDENT

Countersigned and Registered:

                         CORPORATE STOCK TRANSFER, INC.

By
                                                             Authorized Officer

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

<PAGE>

The Common Stock and Warrants comprising the Units represented by this Unit
Certificate are not transferable separately prior to separation. The Warrants
comprising part of the Units are issued under and pursuant to a certain Warrant
Agreement, dated as of , 2005, between the Corporation and Corporate Stock
Transfer, Inc., as Warrant Agent, and are subject to the terms and provisions
contained therein and on the face of the certificates issued pursuant thereto,
all of which terms and provisions the holder of this Unit Certificate consents
to by acceptance hereof. The Warrant Agreement provides for adjustment in the
number of shares of Common Stock to be delivered upon the exercise of the
Warrant and to the exercise price of such Warrant upon the occurrence of certain
events set forth in the Warrant Agreement. Copies of the Warrant Agreement are
on file at the office of the Warrant Agent at 3200 Cherry Creek Drive South,
Denver, Colorado 80209 and are available to any Warrant holder on written
request and without cost.

     The registered holder of this Unit Certificate hereby is entitled, at any
time after the separation of the Units, to exchange the Units represented by
this Unit Certificate for Common Stock Certificate(s) representing one share of
Common Stock for each Unit represented by this Unit Certificate and one Warrant
Certificate representing one Warrant to purchase one share of Common Stock for
each Unit represented by this Unit Certificate, upon surrender of this Unit
Certificate to the Transfer Agent together with any documentation required by
such agent.

     REFERENCE IS MADE TO THE WARRANT AGREEMENT REFERRED TO ON THE FACE HEREOF,
AND THE PROVISIONS OF SUCH WARRANT AGREEMENT SHALL FOR ALL PURPOSES HAVE THE
SAME EFFECT AS THOUGH FULLY SET FORTH ON THE FACE OF THIS UNIT CERTIFICATE.
COPIES OF THE WARRANT AGREEMENT MAY BE OBTAINED UPON WRITTEN REQUEST FROM THE
WARRANT AGENT CORPORATE STOCK TRANSFER, INC.

     The Corporation will furnish to any shareholder, upon request and without
charge, a full statement of the voting and other powers, designations,
preferences, limitations, restrictions and relative, participating, optional, or
other special rights of each class of stock or series thereof which the
Corporation is authorized to issue and the qualifications, limitations or
restrictions of such powers, preferences and/or rights. Any such request is to
be addressed to the Corporation.

     The following abbreviations, when used in the inscription on the face of
this certificate, shall be construed as though they were written out in full
according to applicable laws or regulations:

TEN COM -- as tenants in common           UNIF GIFT MIN ACT      Custodian
TEN ENT -- as tenants by the entireties                    (Cust)        (Minor)
JT TEN -- as joint tenants with right       of survivorship under Uniform
         and not as tenants in common        Gift to Minors  Act ________
                                                                 (State)

     Additional abbreviations may also be used though not in the above list.

     For Value Received,       hereby sell, assign and transfer unto

PLEASE INSERT SOCIAL SECURITY OR OTHER
IDENTIFYING NUMBER OF ASSIGNEE

_______________________________________________

_______________________________________________

________________________________________________________________________________
  (PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP CODE, OF ASSIGNEE)

________________________________________________________________________________

________________________________________________________________________________

________________________________________________________________________________

Units represented by the within certificate, and do hereby irrevocably
constitute and appoint

________________________________________________________________________________
Attorney to transfer the said Units on the books of the within named Corporation
with full power of substitution in the premises.

Dated   _____________________________

________________________________________________________________________________

        NOTICE:     THE SIGNATURE TO THIS ASSIGNMENT MUST CORRESPOND WITH THE
                    NAME AS WRITTEN UPON THE FACE OF THE CERTIFICATE IN EVERY
                    PARTICULAR, WITHOUT ALTERATION OR ENLARGEMENT OR ANY CHANGE
                    WHATEVER.

Signature(s) Guaranteed

By ___________________________________________

THE SIGNATURE(S) SHOULD BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION
(BANKS, STOCK-BROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH
MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM), PURSUANT TO
S.E.C. RULE 17Ad-15.

KEEP THIS CERTIFICATE IN A SAFE PLACE. IF IT IS LOST, STOLEN, OR DESTROYED, THE
CORPORATION MAY REQUIRE A BOND OF INDEMNITY AS A CONDITION TO THE ISSUANCE OF A
REPLACEMENT CERTIFICATE.

________________________________________________________________________________

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