Installation is so easy! 1: Powered by a cigarette lighter to achieve quick installation. 2: No need to understand the car circuit, no need to search for ACC, reversing lights and other power sources, the product can be connected in 1 minute. How the display works: When a voltage is input to the display, the display is black, and when a video signal is input at this time, the display will automatically turn on. Specification: Display size: 4.3/5 inches Power: about 3W Power DC : 12V Contrast Ratio: 350: 1 Brightness: 300cd / m2 4.3 Inch Pixels: 480(W) * 272(H) 5 Inch Pixels: 800(W) * 480(H) Features: Category: TFT-LCD Video: Rear view camera input all the way, all the way DVD video input Format: PAL / NTSC dual-mode automatic switching monitor supports with CVBS signal. Camera Features: 1: According to the original car license plate hole design, easy to install, do not need to open the hole damage to the body, hidden product is good, the appearance of the original car style. Original imported chips, pictures are clear 2: 150 wide viewing angle, the product interior Glue waterproof, built-in reversing electronic ruler 3: 600TV, DC: 9V-12V, low illumination: 0.1Lux module: PC7070 Install the wire