Features :1 Using chips, the image color is high-definition, more realistic.2 viewing angle 170 large visual range, reversing .3 Reverse reference line (optional electronic ruler line), the obstacle distance is clear at a glance 4 digital sensor chip processing, night vision effect is obvious 5 multi-layer waterproof design, truly high pressure washing and soaking waterproof 6 Mounted on the tail handle and license plate light, equipped with screws and washers 7 The video cable is connected to the monitor, and the power cable is connected to the taillight power supply. When the vehicle is reversing, the reversing monitoring system automatically starts working, and the situation behind the car can be clearly seen. NOTE: Cut off the white line, so there is a ruler. Cut off the green line, it become a rear view. Specification: Size: 2.8*2.2*2.5cm (upper diameter * bottom diameter * height) Sensor: PC1089 Effective pixels: 928*520 Resolution: 520TVL Electronic shutter: 1/50-1/100000s Camera: 1.8mm Lens angle of view: 170 Lens horizontal angle: 100 Minimum illumination: 0.01LUX Signal to noise ratio: 50db Video output: 4PIN White balance: Auto Backlight compensation: automatic Power supply voltage: DC9-14V Waterproof index: IP67 Operating temperature: -30C-80C Storage temperature: -40C-85C, RH95%MAX Current consumption: less than equal 50mA colour:black Material:metal + plastic Packing list: 1 * night vision camera 1 * 1m power cord 1 * 6m video line 1 * General English manual 1 * drill bit Note: drill bit Random color, don't accept the specified color. Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.