1、Two way video input, no signal input is black screen 2、It can connect to the reversing system, when reversing, the display signal will automatically wake up 3、The contrast, brightness, chroma and mode (16:9/4:3) can be adjusted 4、480x272 resolution, it has high definition and can provide clear picture. 5、Easy to install, no complicated tools required, which is convenient to use. Features: 1. Two way video input, no signal input is black screen. 2. It can connect to the reversing system, when reversing, the display signal will automatically wake up. 3. The contrast, brightness, chroma and mode (16:9/4:3) can be adjusted. 4. 480x272 resolution, it has high definition and can provide clear picture. 5. Easy to install, no complicated tools required, which is convenient to use. Specification: Condition: 100% Brand New Item Type: Car Monitor Material: ABS Color: As Picture Shown Screen: TFT-LCD Display Size: Approx. 5in Appearance Size(LxWxT): Approx. 12.6 x 8.2 x 1.2cm/5 x 3.2 x 0.5in  Power: About 3W Power Supply: DC 9v-35v Video: 1 Way for Reverse Input, 1 Way for DVD Video Input System: PAL/NTSC Automatic Switching Contrast Ratio: 350:1  Brightness: 300cd/m2 Pixel: 480xRGBx 272 Package List: 1 x Host 1 x Power Cable 1 x Instruction