Digital LCD showing obstacle distance
Alarm by Bi-Bi Sound
Different color and different buzzer frenquency to the alarm
The distance range is 1.0-2.0 meter, the backlights is Green, the buzzer alarm is slow, which means the parking distance is safe.
The distance range is 0.9-0.7 meter, the backlights is Yellow, the buzzer alarm is fast, which means we should park our car carefully.
The distance range is 0.6-0.0 meter, the backlights is Red, the buzzer alarm is fatest and voice become bigger, which means the parking
Distance is nearest with the obstacle.
All kinds of sensor color and styles are available.