Specifications: 1.Display the optical image by a camera equipped behind your car 2,Display the distance of the rear obstacle on the 3.5'' LCD monitor. 3.Providing you with a more safe driving circumstance 4,The LCD monitor are clipped on the exist mirror. 5,with a license camera, which installed on the license of the car, it is very easy to install. 6.Alarm by Bi-Bi sound 7.Turn on/off the voice according to your desire 8.All kinds of sensor colors and styles are available 9.High quality and easy to install Technical Parameters: Rated Voltage: 12V DC Operating Range: 10.5V-16V DC Rated Current: 100mA- 200mA Detecting Distance: 0.3- 2.5m Ultrasonic Frequency: 40KHz Display Working Temperature: -30- +70 CMOS angle: 92? Camera SPECIFICATIONS: 1.Image sensor: OV 1/3-inch color CMOS 2.Total pixels: 628 x 582 3.Resolution: 420 TV lines 4.Mini illumination: 2.0 lux 5.Lens: 3.6mm 6.TV system: PAL/NTSC 7.Video output: 1.0Vpp composite video at 75 ohms 8.Operating temperature: -20 - 50 deg. C 9.Power supply: DC 12V > = 200mA 10.Dimensions: 260mm x 32mm 11.Adjustable bracket for better view angle