The PhotoBlocker ProDB1 Radar Detector 12" Plate is designed to protect your license plate by detecting and preventing a speed camera, red-light camera, toll camera or traffic camera from acquiring an image of your license plate in the USA, Canada, Mexico; and in UK, Australia, NZ, using a white flash or invisible infrared flash, single flash or dual flash, to take a picture of your single. With APC Power Control is included and is a great power control device that allows you to plug or connect all of your radar/laser/photo countermeasures to a single power control unit, switching power to each mode of operation to all three products using a single rotary power switch.