Features:
User-friendly sensor
4 sensors
Outer display
One video output,one video input
With three-stage beeping mode
Insert-in sensor for optional
Continous Bibi alarm sound under 0.4m
3-Color LED to show the distance from the obstacles
Video input for nomal image camera,and the video output has the monitor function

Technical data:
Rated voltage: 12V DC
Operating range: 9 to 16V
Rated current: 20 to 200mA
Detecting distance: 0.30 to 1.5m
Ultrasonic frequency: 40 KHz
Working temperature: -30 to +70°C
Display working temperature:0~+60°C