1.2-color digital LED display with buzzer built-in
2."BiBi" audible warning buzzer in 3 steps
3.Detachable sensor with waterproof socket connector
4.Digital meter distance mode, feet display available
5.2 ~ 8 sensors available for front & rear detecting
6.Sensor sensitivity adjusted, anti-hook memory function for tow bar/spare tire
7.Sensor self-testing function after power on