3.5 inch Digital TFT-LED monitor Display format: 4: 3 Power: ≤ 3W Power supply: DC 12 V Pixel: 320× 240 Contrast: 350: 1 PAL/NTSC compatible Auto switch when reversing 2 video input, AV signal auto detect power on/off Long press POWER button to turn on/off Same size with original car rearview mirror. Easy for installation and uninstallation Bluetooth function(optional)