4 Sensor rear only kit no display just audible tones. The system can be programmed to ignore tow bars or spare wheels.The sensor hole size is 18.8mm in diameter. The visible external diameter of the sensor head is 24.9mm with a depth of 21.51mm and they have detachable cables and a 6 degree angle of tilt. The power loom and buzzer are a one piece cable.
Main Features:
Rear 4 sensors for full rear coverage
4-stage audible warning buzzer
Heavy rain proof design
All weather design (-40°C>+80°C)
Anti-false alarm patent
Easy installation
Can be installed directly into metal bumpers