Main features:
1. Self-testing function
2. Waterproof connector for easy change of sensors
3. Two digital displays and two control units
4. Front display with built-in buzzer and volume-adjustable switch
5. Front 4 and rear 4 sensors for full front and rear coverage
6. Heavy rain proof design
7. All weather design (-40C ~ +80C)
8. Anti-false alarm patent
9. Detected in front & back
10. Chirping warning & digital display
11. Display in Green, Orange & Red
12. Left/Right Obstacle Display
13. Sensor color optional
14. Original PHILIPS Chip, Quality guarantee

Technical Parameters:
Voltage: 9 ~ 16V
Temperature: -40 ~ +80C
Input: <4W
Beep volume: 70 ~ 90dB
Range: Front: 0.3 ~ 0.7m
Rear: 0.3 ~ 1.5m