1. Two-channel video input, black screen when no signal input 2. Can be connected to the reversing system, when reversing, the display will automatically wake up when receiving the signal, and the display will automatically turn off the rear image of the car after reversing, which is more user-friendly 3. Adjustable in the menu: contrast, brightness, chroma, mode (16:9/4:3) Type:TFT-LCD Display size:4.3 inches Appearance size:286x73x20MM Power:about 3W Power supply:DC 9V-30V Video:one channel for rear view input and one channel for DVD video input Format:PAL/NTSC dual format automatic switching Contrast:350:1 Brightness:300cd/m2 Resolution:800*480 Colour:As Shown Material:Plastic Package Contents: 1 * cable kit 1 * display screen 1 * camera Only the above package content, other products are not included. Note: Light reflection 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.