Function and features:
1,High definition LED digital display distance
2,Bi.Bi.Bi sound warning and voice is optional
3,Three colors of green,yellow,red,8-segment
4,LED lights show obstale distance
5,Dual-CPU,rapid response
6,Probe self-test function
7,Left and right obstacle position indicating
8,Rated working voltage:10V-16V DC
9,Operating temperture:-40-80℃
10, Operating current:20-200mA
11,Ultrasonic frequency:40±1K Hz
12,Detection distance:30-250cm
13,2-6-8 sensors optional