Functions and Features:
     Video input:1 channel, defaulted for vehicle rear view camera.           
     The distance information will be displayed on screen.
     Digital Display distance: 0.4m to 2.0m.
     Left/right obstruction display via simulation bars
     Shows the cautions  by three digital lines
     Alarm distance: 0.4m to 1.5m.
     Stage-by-stage alert. 
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Parking Sensor System Specifications: 
     Operating Voltage: DC12V±2V
     Operating Temperature Range: -40degree to +80degree
     Alarm volume: ≥50 dB at 10cm
     Sensor installation height: 50~70cm
     Ultrasonic frequency: 40KHz

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Camera Specifications:
     Night vision , weatherproof , Digital cautions lines
     Image Sensor: OV7940, 1/3" COLOR
     Effective Pixels: PAL: 628×586 NTSC: 510×496
     Power Supply: DC12V ± 20%
     Operating Temperature: -20 ~ 65
     Lens Angle(Degree): 90