1. LED Control, start to display within 2 meters, start to alarm within 1.5 meters.

2. Alarm sound" BiBi"

3. Suit to a wild range of temperature

4. The function of anti-strike when back the car.

5. Digital display the distance between the bar and the car.

6. The probe will inform by the light when open the night light and brake.

7. When back the car, the probe show the blue light in safe area. Show the purple light in alarm area, show the red light in danger area

8. When brake or open the night light, the probe will show betweem red, purple and blue.