Wireless Parking Sensor,you needn't route the cable
A small light(dot)indicates proper functioning of the system after being activated
Digital distance display of obstacle
LED's(green,yellow and red)indicate different distances as well as orientation of the obstacle
Different alert beeping intervals indicate different distances of the obstacle
4 Round Recessed Sensors
Rate voltage:12v
Operation voltage:10.5-16v
Rated current:40-300mA
Detecting distance:0.3-2.5m
Ultrasonic Frequency:40KHZ
Working temperature:-40--80 degree
Display working temperature:0~+60 degree

Package include:
1 X  Led display monitor(built-in receiver)
1 X Contorl box(built-in trasmitter)
4 X  Parking sensor
1 X 22mm drill
1 X Manual
Sticker etc.