The special material will not yellow and is guaranteed shatterproof under normal operating conditions. Special camera and computer technology combine to photograph the back of your vehicle as you drive by, and record your speed at that exact second. Based on the results - a ticket is then issued to the owner of the vehicle. Conventional radar detectors are ineffective due to kA radar's wide operating bandwidth. Even if you do detect the beam, its too late.
Photo radar operates at known angles to the direction of traffic flow.
A 5-minute installation is all that is required. Note that the license plate is still completely readable from straight on. Check local motor vehicle codes before ordering. Buyer assumes all responsibility for using the lens in compliance with local motor vehicle codes in their area of vehicle use.