Highlights

1.    System detecting obstacle using Ultrasonic Wave Echolocation Technology
2.    Audible Alert (Beeper) Only .
3.    Beeping faster if closer to obstacle and continuously if within 0.3m from the obstacle
4.    Designed for cars, suvs, 4x4s, vans, pickups, trucks, RVs, Trailers, and Buses.
5.    Sensor Detection Range: 0.3m - 2m
6.    4 rear sensors giving good coverage of the rear end of your vehicle when backing up
7.    Each sensor with wedge-shaped plastic spacer for adjusting to non-vertical bumper surface
8.    Perfect for backing up, street parking, parallel parking, garage parking, and parking in tight spot ...
9.    Powered by tapping into the wires of back up light
10.  Activated when vehicle is put in reverse
11.  High Quality
12.  Competitive Prices
13.  12 months warranty

Specification

1.  The backup parking sensor system is designed for rear obstacle detection. It comes with 4 sensors to give good coverage of the rear end of  your vehicle.
2.  The sensors come with wedge-shaped spacer for adjusting to non-vertical bumper surface.
3.  The system is powered by tapping into the wires of back up light and activated automatically when vehicle is put in reverse.
4.  Wireless display eliminates wiring between the display and the main control box.
5.  The audible alert (beeper) is built in the display. It beeps faster if vehicle gets closer to obstacle and sounds continuously if within 0.3m from obstacle
6.  Sensors detect obstacles within 0.3m - 2m
7.  Sensors work in plastic and metal bumpers.
8.  The system is built to last, can withstand bad weather and road shock.
9.  Sensors can also be spray painted to match the color of your vehicle if wanted.
10.  Installation instruction manual in English is provided.