Functional characteristics:
1: The radar will work automaticlly when backing backing a car
2: The video will display the view of the car' back, and inform you the distance of the obstacle
3. Detective range: 2-0.3 metres
4. Alarm range: 1.5-0.3 meter, the alarm will become quicker when the distance is getting closer.
5. This device will do no harm to the orginal electronic system
6. 2-4 detectives to be choosen
7. Adopted by internatioal standard with a good quality

Tech_PARA:
1. Detective range: 0.3m-1.5m
2. Voltage: 10.5v-16v
3. Supersonic frequency: 40KHz
4. Max power: 2 w
5. Work tempreture: -30c-+80c
6. Alarm volume; >78dB