##### 



Exhibit 10.7

RELEASE AGREEMENT

This Release Agreement (Agreement) is in favor of American Building Control,
Inc. f/k/a Ultrak, Inc. (Company) and executed by Chris Sharng (Employee)
(collectively the parties). The Effective Date for this Agreement is the
date it is executed by Employee.

In exchange for three annual payments by Company to Employee of $48,000 each in
2002, 2003 and 2004 (less any ordinary or required withholdings), Employee
agrees to the following warranties, waivers and releases:



| |  | Employee hereby forever waives and releases any and all claims, rights,
or remedies, known or unknown, that Employee may have against Company or
Related Parties (as defined below) (a) based upon any change of control
or alleged change of control of Company, or (b) based upon the
application of the change of control provision in Employees Employment
Agreement, as amended (the Employment Agreement)(including, without
limitation, any rights to compensation triggered by the change of control
language in Sections 7 and 8 of the Employment Agreement) and any
amendments or modifications thereto. Employee waives any claim that this
Agreement was induced by fraud or duress. Employee agrees not to sue or
otherwise pursue any legal action for a claim, right or remedy waived
and/or released by this Agreement.
| |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
| |  | Employee warrants and represents that the foregoing release covers all
change-of-control related agreements and liabilities between Employee and
Company or Related Parties, and warrants and represents that there is no
agreement or other basis for a claim against Company or Related Parties
that is not covered by this Agreement. Employee warrants and represents
that Employee has complete ownership of all rights released by this
Agreement and Employee has not assigned, granted a lien against, or
otherwise encumbered any claims or potential claim released through this
Agreement. This Agreement may only be modified, waived, or amended
through a writing signed by the parties.                                                                                                                                     
|
| |  | For purposes of this Agreement only, Related Parties means all officers,
directors, shareholders, parents, subsidiaries, affiliates, partners,
agents, and employees, past and present, of Company and its predecessors
and successors in interest.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
|
| |  | Any payment amount set forth herein shall not be paid to Employee if
Employee resigns prior to such payment being made or is terminated for
cause prior to such payment being made, but any payment shall be paid if
Employee is terminated without cause (as defined in the Employment
Agreement), dies, or becomes disabled prior to such a payment being made.                                                                                                                                                                                                                                                                                                                                                                                                                                                                          

|                                  |  | 
|--------------------------------- |  | 
|Agreed to as of December 31, 2002 |  | 
|                                  |  | 
|/s/ Chris Sharng

Signature       |  | 
|                                  |  | 
|Chris Sharng

Printed Name        |  |