Product Type: High-definition plug-in LED car rear view camera (angle can be adjusted up and down) Image sensor : CCD chip Viewing angle: 140 degrees Horizontal resolution: 480 TV lines With ruler: warning distance ruler drawing line Resolution: 480*272 (NTSC) Signal to noise ratio: > 48 dB (AOC on) Frame rate: 30 fps Illumination: 0.5 lux Working voltage: DC 12V Output wire: power supply, signal wire, ground wire < p>Video output: composite video cable (75 ohm) Operating temperature: -20~+80, RH95% Storage temperature: -40~+100 , Rh95% Waterproof Rating: Ip68 Durable: Waterproof, Shockproof, High Temperature, High Humidity Others: Auto White Balance [Accessories] A 6 meter video cable, a 1.5 meter power cable. A ladder scale can be displayed on the screen to see the approximate distance of objects behind you from the rear of the vehicle. [Installation location] Installed next to the light license plate or in a suitable place