Main features:
- Rear 4 sensors for full rear coverage
- 4-stage audible warning buzzer
- Heavy rain proof design
- All weather design (-40°C ~ +80°C)
- Anti-false alarm patent
- Easy installation

Technical Parameters:
- Voltage: 9 ~ 16V
- Temperature: -40 ~ +80°C
- Input: <4W
- Beep volume: 70 ~ 90dB
- Range (Rear): 0.3 ~ 1.5m