HEAVY-DUTY LICENSE PLATE FRAME BACKUP CAMERA: Perfect for most of vehicles that use a standard US license plate. It is like a plate frame mounted on the license plate, holds the license plate securely without blocking the license plate info. Before buy, pls check your license plate size first GUIDE LINE ON/OFF: Cut the Green Line, the Guide Line will be disappear. If Guide Line no disappear, please check your monitor if set with guide line WIDE VIEWING ANGLE: 170° viewing angle macro lens give you a wide viewing vision, high sensitive color CMOS image sensor. Lens angle physically 45° up and down adjustable on the camera, you can adjust the angle according to your needed MARINE GRADE WATERPROOF: Aluminum Zinc Material with IP-67 Standard waterproof , shockproof & dust-proof level, high performance in all-weather condition, Never be foggy or wet inside the camera even in a storm or serious rainy day TRUE COLOR NIGHT VISION No Purple: The License Plate Camera with 8LEDs, will sup