1. Digital LED showing obstacle distance
2. Alarm by Bi-Bi sound
3. LED display with three colors (Red, yellow & green)
4. Rear view mirror for the display, it clip on the exist mirror inside the driving room.
5. With 4 rear sensor to detect the obstacle behind the car bumper
6. Turn on/off the voice according to your desire
7. All kinds of sensor colors and styles are available
8. High quality and easy to install