Document:

EXHIBIT 10.22

                          Consultant Agreement Between
                         Image Sensing Systems, Inc. and
                                 James Murdakes

WHEREAS James Murdakes (Murdakes) as a consultant to Image Sensing Systems, Inc.
(ISS or the "Company") has served in the capacity as the Chief Executive Officer
and President of the Company since April 2002, without a written agreement
between the Company and Murdakes as to a monthly retainer for his services,
bonus payments awarded for achieving Company financial and strategic objectives
or severance payments in the event he is terminated without cause (as defined
below), or due to a change in control (as defined below)

WHEREAS the Company believes a consultancy agreement with Murdakes is in the
best interests of the Company in order to document the Company's Compensation
and Severance obligations to Murdakes

NOW THEREFORE the Company agrees to (1) pay Murdakes a retainer of $9,330 per
month on the last day of each month for fiscal year 2004, with the understanding
that the Company may adjust this retainer amount at the end of 2004 and each
year thereafter if Murdakes remains as the Company's Chief Executive Officer and
President; (2) pay Murdakes an annual bonus after the end of the fiscal year for
achieving the financial and strategic objectives agreed upon by the Board of
Directors of the Company and Murdakes at the beginning of such year, provided
that, such bonus shall be determined by the Compensation Committee and approved
by the full Board of Directors of the Company; (3) pay Murdakes severance pay in
an amount equal to Murdakes' monthly retainer on the termination date multiplied
by six months if the Company terminates him without cause (as defined below) or
to pay Murdakes severance pay in an amount equal to Murdakes' monthly retainer
on the date of change of control (as defined below) multiplied by twelve months
in the event of a change in control (as defined below) of the Company.

Murdakes shall provide services on an at-will basis. This consultancy agreement
is not, and shall not be construed as, an employment contract affecting in any
way the duration of Murdakes' services or any terms and conditions thereof
except those set forth herein. Murdakes and the Company may terminate their
consultancy relationship at any time, for any reason, or for no reason.

"Cause" means: any failure to perform assigned job responsibilities that
continues unremedied for a period of thirty (30) days after written notice to
Murdakes by the Company; conviction of a felony or misdemeanor or failure to
contest prosecution for a felony or misdemeanor; the Company's reasonable belief
that Murdakes engaged in a violation of any statute, rule or regulation, any of
which in the judgment of the Company is harmful to the Company's business or to
the Company's reputation; or the Company's reasonable belief that Murdakes
engaged in unethical practices, dishonesty or disloyalty.

                                       31
<PAGE>

"Change in Control" means the occurrence of any of the following events:

(a) Any "Person" (as such term is used in Sections 13(d) and 14(d) of the
Securities Exchange Act of 1934, as amended) is or becomes the "Beneficial
Owner" (as defined in Rule 13d-3 under said Act), directly or indirectly, of
securities of the Company representing more than fifty percent (50%) of the
total voting power represented by the Company's then outstanding voting
securities without the approval of the Board of Directors of the Company, unless
the Board of Directors specifically designates such acquisition to be a change
of control; or

(b) A merger or consolidation of the Company whether or not approved by the
Board of Directors of the Company, other than a merger or consolidation which
would result in the voting securities of the Company outstanding immediately
prior thereto continuing to represent (either by remaining outstanding or by
being converted into voting securities of the surviving entity) at least fifty
percent (50%) of the total voting power represented by the voting securities of
the Company or such surviving entity outstanding immediately after such merger
or consolidation, or the shareholders of the Company approve a plan of complete
liquidation of the Company or an agreement for the sale or disposition by the
Company of all or substantially all of the Company's assets.

CONSULTANT

AGREED: /s/ James Murdakes                               Dated    March 23, 2004
        ------------------------------------------------------------------------
        James Murdakes

IMAGE SENSING SYSTEMS, INC.

AGREED: /s/ Arthur J. Bourgeois                            Dated  March 23, 2004
        ------------------------------------------------------------------------
        Arthur J. Bourgeois, Chief Financial Officer

                                       32EXHIBIT 10.5

                               AMENDMENT TO LEASE
                                December 15, 2003

The following is an Amendment to that Lease dated December 7, 2000 by and
between Carleton Investors, L.L.C., ("Lessor") and Scanner Technologies,
Corporation, A Minnesota Corporation ("Lessee") for the property described as
4665 South Ash Avenue, Suite G-20, Tempe, Arizona ("Premises") the above shall
collectively be referred to as "Lease Agreement".

Lessor and Lessee hereby amend the Lease Agreement as follows:

1.     The term of the Lease Agreement shall be extended to expire as of
       February 28, 2007.

2.     The Premises shall be expanded to include Suite G-19, which is
       approximately 1,990 square feet.

3.     Lessee's pro rata share of the complex shall increase from 3.481% to
       4.962%.

4.     The Base Monthly Rent effective January 1, 2004 shall be as follows:

       01/01/04 through 02/29/04 @ $3,740.80/Mo. + Applicable Rental Tax
       (Suite G-20 only)
       03/01/04 through 02/28/06 @ $5,332.80/Mo. + Applicable Rental Tax
       03/01/06 through 02/28/07 @ $5,466.12/Mo. + Applicable Rental Tax
       (Suites G-19 and G-20)

5.     Lessor, at Lessor's expense, shall complete the Tenant Improvements
       outlined in Exhibit "F" attached hereto and made a part hereof.

6.     HVAC Maintenance by Lessee shall be limited to $250 per unit per
       occurrence provided Lessee complies with the following maintenance
       schedule:

       "Normal A/C Servicing" shall mean the following service and maintenance
       on the air conditioning units, performed by a licenses HVAC contractor,
       during every 12 month period during the Lease, commencing with the month
       of May that first falls within the term of the Lease.

                  (1)   Spring Maintenance (May):
                        a.  Lubricate Motor.
                        b.  Check and tighten all electrical connectors.
                        c.  Inspect and clean evaporator and condenser
                            coils.
                        d.  Check refrigerant charge.
                        e.  General visual inspection of unit for other
                            required maintenance.
                  (2)   Monthly Maintenance - change air conditioner filter.

7.     The terms and conditions of the existing Exhibit A Guarantee shall be
       replaced by the attached Exhibit A-1 Guarantee.

8.     All other terms and conditions of the above referenced Lease Agreement
       shall remain in full force and effect.

9.     Should there be any conflict between the above referenced Lease
       Agreement, Lease Addendum and this First Amendment to Lease Agreement,
       this First Amendment to Lease Agreement shall control.

10.    This First Amendment to Lease may be executed via facsimile and in
       counterparts and each executed counterpart shall for all purposes be
       deemed an original and shall have the same force and effect as an
       original, but all of which together shall constitute in the aggregate,
       but one and the same instrument.

ACCEPTED AND APPROVED:

LESSOR:           CARLETON INVESTORS, L.L.C.

By:  /s/ Clifford J. Cutter                              Date: January 20, 2004
     ------------------------------------------------
     Clifford J. Cutter, Managing Member

LESSER:           SCANNER TECHNOLOGIES CORPORATION

By:  /s/ Elwin M. Beaty                                  Date: January 16, 2004
     ------------------------------------------------

Its: President

<PAGE>

                                   EXHIBIT A-1
                                    GUARANTEE

For value received, the undersigned absolutely guarantees all payments under
that certain Lease Agreement dated for reference purposes only, December 07,
2000 and amended January 14, 2004 by and between CARLETON INVESTORS, L.L.C. (as
Lessor) and SCANNER TECHNOLOGIES CORPORATION, A MINNESOTA CORPORATION (as
Lessee) for the premises known as 4665 SOUTH ASH, SUITE G-20, TEMPE ARIZONA
executed by ELWIN BEATY AND ELAINE E. BEATY. If obligor breaches any terms of
the Lease Agreement, the undersigned will be liable thereon demand.

The undersigned waive notice of acceptance, notice of nonpayment, protest and
notice of protest with respect to the obligation covered hereunder.

This guarantee shall continue in force an apply to all transactions
notwithstanding any change in the makeup of the debtor's corporate board and
officers or board member.

Liability under this Agreement shall commence on the date of the Lease. In the
event of Lessee's default, the undersigned shall have liability for Lessee's
monetary obligations up to Thirty Thousand and No/100 dollars ($30,000.00).

This guarantee shall continue in effect notwithstanding any legal disability of
the debtor to incur the indebtedness or obligation in full or in part.

The creditor may proceed against any or all of the guarantors for any amount
guaranteed hereunder whether action is brought against the debtor or whether the
debtor is jointed in any such action or actions or not.

Creditor may without notice sell, assign or transfer all the indebtedness or
obligation covered hereunder. In that event, each and every immediate and
successive assignee, transferee, or holder of all or any part of the
indebtedness or obligation shall have the right to enforce this guarantee by
legal action or otherwise for the benefit of such assignee, transferee, or
holder as fully as if such assignee, transferee, or holder were herein named
specifically given such right and power.

Should suit be brought to recover on this guarantee, the guarantor(s) promise to
pay as attorney's fees, a reasonable amount additional to the amount found due
hereunder.

GUARANTOR 1:                        /s/  Elwin M. Beaty
                                    --------------------------------------------
                                            Elwin Beaty

HOME ADDRESS:                       13529 ARTHUR STREET, MINNESOTA, MN 55305

SOCIAL SECURITY NO.:                XXXX

GUARANTOR 2:                        /s/  Elaine E. Beaty
                                    --------------------------------------------
                                            Elaine E. Beaty

HOME ADDRESS:                       13529 ARTHUR STREET, MINNESOTA, MN 55305

SOCIAL SECURITY NO.:                XXXX

<PAGE>

                                   EXHIBIT "F"
                                   PAGE 1 OF 2

Lessor, at Lessor's expense, shall complete the following improvements:

       1.     Demise Suite G18 and G19.

       2.     Paint walls/doors in G19 consistent with G20.

       3.     Replace the existing office carpet in Suite G19 offices 106 and
              107.

       4.     Replace any stained ceiling tiles and perform necessary roof
              repairs.

       5.     Patch floor tile where necessary from demolition in Suite G19 and
              clean the G19 floor.

       6.     Demise Suite G18 and G19 HVAC and electrical.

       7.     Demolition of lab counters as shown on Page 2 of this Exhibit.

       8.     Add one (1) 3'0 x 6'8 paint grade door connecting Suites G19 and
              G20 per Page 2 of this Exhibit.

       9.     Add an 8' x "8" opening in the North portion of the G19/G20
              demising wall as shown in Page 2 of this Exhibit.

       10.    Repair the broken door handle on the G19 North exit door.

       11.    Demolition of 4' of interior wall Suite G19 as shown on Page 2 of
              this Exhibit.

       12.    Balance the air conditioning in Suite G20 and relocate the HVAC
              vent to a location within the suite outside of the executive
              office.

       13.    Repair Suite G20 restroom plumbing.

       14.    Clean the Suite G20 carpet. Lessee shall be responsible to move
              any personal property including but not limited to furniture,
              files and equipment, at Lessee's expense.

       15.    Add weather stripping to the Suite G20 South entry doors.

<PAGE>

                                   EXHIBIT "F"
                                   PAGE 2 OF 2

                                "DRAWING OMITTED"

<PAGE>

                            SECOND AMENDMENT TO LEASE
                                JANUARY 21, 2004

THIS SECOND AMENDMENT TO LEASE IS TO THAT CERTAIN LEASE AGREEMENT DATED December
7, 2000 ("LEASE") AND THAT CERTAIN FIRST AMENDMENT TO LEASE DATED December 15,
2003 BY AND BETWEEN Carleton Investors, L.L.C. ("LESSOR") AND Scanner
Technologies Corporation, A Minnesota Corporation ("LESSEE") FOR THE PREMISES
DESCRIBED AS 4665 South Ash Avenue, Suite G-20, Tempe.

LESSOR AND LESSEE HEREBY AGREE TO AMEND THE FOLLOWING TERMS AND CONDITIONS OF
THE ABOVE REFERENCED LEASE AGREEMENT AS FOLLOWS:

1.       PARAGRAPH 2, PREMISES. THE APPROXIMATE SQUARE FOOTAGE IS 2,036 SQUARE
         FEET AND THE LESSEE'S PRO RATA SHARE OF THE COMPLEX SHALL BE ADJUSTED
         TO 4.9965%.

2.       PARAGRAPH 4, RENT, THE BASE MONTHLY RENT SCHEDULE FOR SUITES G-19/20,
         SHALL BE AMENDED AS FOLLOWS:

         01/01/04 THROUGH 02/29/04 @ $3,740.80/MO. + RENTAL TAX
         (Suite G-20 only)
         03/01/04 THROUGH 02/28/06 @ $5,369.60/MO. + RENTAL TAX
         03/01/06 THROUGH 02/28/07 @ $5,503.84/MO. + RENTAL TAX

3.       SHOULD THERE BE ANY CONFLICT BETWEEN THE ABOVE REFERENCED LEASE
         AGREEMENT, ITS LEASE ADDENDUM AND THIS FIRST AMENDMENT TO LEASE, THIS
         FIRST AMENDMENT TO LEASE SHALL CONTROL.

4.       ALL OTHER TERMS AND CONDITIONS OF THE ABOVE REFERENCED LEASE AGREEMENT
         SHALL REMAIN IN FULL FORCE AND EFFECT.

READ, ACCEPTED AND APPROVED:

LESSOR:  CARLETON INVESTORS, L.L.C.

BY:  /s/ Clifford J. Cutter                 01/23/04
     ------------------------------------------------
                                            DATE

LESSEE:  SCANNER TECHNOLOGIES CORPORATION

BY:  /s/ Elwin M. Beaty                     01/23/04
     ------------------------------------------------
                                            DATE

ITS:  President
     ------------------------------------------------

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