1. Automatically work when reversing
2. All kinds of TFT-LCD displays, include DVD player. Rear view mirror monitor are available
3. Display the distance, direction and image of obstacles on the screen
4. Alarm by four-step Bibi sound
5. Camera Chip : High-definition image SONY CCD(camera is optional)
6. Detect distance is 0-2M Volume: 65DB
7. Colorful number of obstacle distance make you see clear under the high light