Released on = May 31, 2007, 10:28 pm

Press Release Author = Princeton Research

Industry = Automotive

Press Release Summary = Automotive anti theft vehicle security company, Power Lock
International (Stock symbol: PWLK) gets strong market response from pilot launch of
their vehicle anti theft product with Aamco Transmissions. Clearvision (Stock
symbol: CVNI) is placing advertising for the PWLK and the Aamco Southern California
dealer pool. The Power Lock vehicle anti theft product is The Only automotive
security system that cannot be circumvented by hot wiring.

Press Release Body = Los Angeles, California - June 3, 2007 - In automotive stock
news, vehicle anti theft security system company, Power Lock International (Stock
symbol: PWLK) is pleased to report that the pilot launch in southern California of
the company's Power Lock® vehicle anti-theft product with Aamco Transmissions has
been well received by the Aamco dealers. The Southern California launch is a
precursor to a national roll out with Aamco. Visit
http://www.princetonresearch.com/pwlk.htm for more information.

Power Lock International (Stock symbol: PWLK) distributes the Power Lock automotive
anti theft vehicle security system. Visit the corporate web site
(http://www.powerlock.com ) for product and company information. The Power Lock
vehicle security system is the only automotive anti theft product that can not be
circumvented by "hot wiring", which is the predominate method of vehicle theft.

Clearvision (Stock symbol: CVNI) is working with the Aamco Southern California
dealer pool in placing advertising for the vehicle anti theft system. They are also
working on additional Power Lock programs for Aamco. Clearvision was awarded the
Aamco national advertising account in April of this year.

"We are pleased with the reception that the Aamco dealers have given the Power Lock
vehicle security system" said Rick Fass, President of Power lock International. "Our
customers in the southern California area extending all the way to San Diego now
have a convenient place for purchasing Power Lock. Based on the southern California
pilot, we are looking forward to the national roll out." Said Fass.

Mike Stacy, a long time Power Lock dealer, now part of the Aamco family through the
Cottman Transmission acquisition of Aamco is very excited about Power Lock's new
wireless automobile security system and the ease of installation according to Fass.

Web Site = http://www.princetonresearch.com/pwlk.htm

Contact Details = Princeton Research, Inc.
Mike King (702) 650 - 3000
mike@princetonresearch.com

Power Lock International
3188-G Airway Avenue, Costa Mesa, CA 92626
(800) 689-8004
info@powerlock.com