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                                                                     EXHIBIT 4.4

                                UNIT CERTIFICATE

U-_____                                                           _________Units
                             TASER INTERNATIONAL, INC.
               ORGANIZED UNDER THE LAWS OF THE STATE OF DELAWARE

                        EACH UNIT CONSISTING OF ONE SHARE
                       OF COMMON STOCK, PAR VALUE $0.00001
                        PER SHARE, AND ONE COMMON STOCK
                                PURCHASE WARRANT
                                CUSIP 87651B 20 3

         THIS CERTIFIES THAT

or registered assigns (the "Registered Holder") is the owner of the number of
Units specified above, each of which consists of one share of common stock, par
value $0.00001 per share, of TASER International, Inc. (the "Common Stock") and
one common stock purchase warrant to purchase one share of Common Stock (the
"Warrant"). On or prior to the Separation Time (as defined herein), the
securities evidenced by this certificate may be combined, exchanged or
transferred only as Units, and the Common Stock and Warrants evidenced by this
Certificate may not be split up, exchanged or traded separately. The Units may
separate into shares of Common Stock and Warrants as of the close of business on
______________________, 2001 [thirty days after the consummation of the initial
public offering of Units], or at any time after that date, in the discretion of
Paulson Investment Company, Inc. (the "Separation Time"). The shares of Common
Stock and Warrants comprising the Units shall be separately tradeable commencing
on the first day after the Separation Time on which The Nasdaq SmallCap Market
is open for trading. The Warrants comprising part of the Units are issued under
and pursuant to a certain Warrant and Unit Agreement dated as of ______________,
2001 (the "Warrant Agreement"), between the Company and US Stock Transfer
Corporation, as Transfer Agent (the "Transfer Agent"), and are subject to the
terms and provisions contained therein and on the face of the certificates
covered thereby, to all of which terms and provisions the holder of this Unit
Certificate consents by acceptance hereof. The Warrant Agreement provides for
adjustment in the number of shares of Common Stock to be delivered upon the
exercise of Warrants evidenced hereby and to the exercise price of such Warrants
in certain events therein set forth. Subject to the foregoing, the number of
Warrants and the number of shares of Common Stock comprising the Units are
equal.

         Copies of the Warrant Agreement are available for inspection at the
stock transfer office of the Transfer Agent and Registrar or may be obtained
upon written request addressed to TASER International, Inc. at 7860 E. McClain
Drive, Suite 2, Scottsdale, Arizona 85260, Attention: Chief Financial Officer.

         This Unit Certificate is not valid unless countersigned by the Transfer
Agent and Registrar of the Company.

         IN WITNESS WHEREOF, TASER International, Inc. has caused this Unit
Certificate to be duly executed manually or in facsimile by two of its officers
thereunto duly authorized.


Dated:_____________________________

                                          TASER INTERNATIONAL, INC.
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                                          By: ________________________________
                                                  President

                                          Attest: ______________________________
                                                  Secretary

Countersigned

US Stock Transfer Corporation
1745 Gardena Avenue
Glendale, California 91204


By: ________________________________
     Authorized Signature



                             TASER INTERNATIONAL, INC.


         The Registered Holder hereby is entitled, at any time after the
Separation Time (as defined on the face hereof) 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 Warrant Certificate(s) representing one Warrant, for each unit
represented by this Unit Certificate, upon surrender of this Unit Certificate to
the Transfer Agent and Registrar 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 CERTIFICATE.
COPIES OF THE WARRANT AGREEMENT MAY BE OBTAINED UPON WRITTEN REQUEST FROM THE
TRANSFER AGENT AND REGISTRAR, US STOCK TRANSFER 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
                    TEN ENT   -    as tenants by the entireties
                    JT TEN    -    as joint tenants with rights of survivorship
                                   and not as tenants in common
                    COM PROP  -    as community property

UNIF GIFT MIN ACT             -       _________________Custodian________________
                                            (Cust)                  (minor)
                                      under Uniform Gifts to Minors Act

                                      __________________________________________
                                                     (State)


UNIF TRF MIN ACT              -       _________________Custodian________________
                                            (Cust)                  (minor)
                                      under Uniform Gifts to Minors Act
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                                      __________________________________________
                                                     (State)


                               FORM OF ASSIGNMENT
                       (TO BE SIGNED ONLY UPON ASSIGNMENT)

FOR VALUE RECEIVED, the undersigned Registered Holder (                 )

________________________
(Please  insert  social  security or other  identification  number of Registered
Holder)

hereby sells, assigns and transfers unto

________________________________________________________________________________
________________________________________________________________________________
________________________________________________________________________________
               (Please Print Name and Address including Zip Code)

Units evidenced by the within Unit Certificate, and irrevocably constitutes and
appoints
______________________________________________________________________attorney
to transfer this Unit Certificate on the books of TASER International, Inc. with
the full power of substitution in the premises.

Dated:__________________, ________

Signature:

__________________________________

(Signature must conform in all respects to the name of Registered Holder as
specified on the face of this Unit Certificate in every particular, without
alteration or any change whatsoever, and the signature must be guaranteed in the
usual manner.)

Signatures Guaranteed:

__________________________________

The signatures should be guaranteed by an eligible institution (banks,
stockbrokers, savings and loan association and credit unions with membership in
an approved signature medallion program), pursuant to S.E.C. Rule 17Ad-15.