Fill light: a license plate for a variety of capture or detection system developed auxiliary light source, mainly to solve the intelligent transportation, electronic red light, safe city, security mount, toll stations, car parks and other entrances surveillance cameras night virtual focus and dark image can not accurately identify the license plate, the installation of LED license plate lights can ensure accurate license plate recognition cameras at night and take pictures and video. Second, product characteristics: 1, in a completely non-ambient lighting situations, can make the camera system to record clear plate image; 2, stationary use, spot uniformity, no stimulation of the human eye, light intensity can be adjusted without affecting traffic security; 3, low power consumption, high efficiency, long life, can be lit day and night; 4, with adjustable light-sensitive switch can be set to open up in different darkness to light; 5, during the day and night and the use of daylight superimposed independent license plate Lighting can be compatible; 6, the day can stabilize backlight, vehicle headlight glare at night can suppress; 7, can be easily and camera, housing form an integrated structure; 8, easy installation, can be matched with a variety of CCD camera