Tint Meter Enforcer - Model 100

[Police Abuse]

Testing tinted window light transmission has never been so easy since the development of the Laser Labs Model 100 Tint Meter. To operate this device, roll a car window down half way, place the Tint Meter directly over the window, and slide it down...

More... (http://www.officer.com/product/11240509/laser-labs-inc-tint-meter-enforcer-model-100)