1)Automatic activation when the reverse gear is chosen.
2)Digital read out in LED to indicate different distance and orientation of the obstacle.
3)3 stages warning by different beeping frequency and 3 colors LED
4)Colorful mini display and BIBIBI alert
5)Voice warnings is optional
6)Anti-false installation technology
7)Does not run on battery power when the vehicle is parked and the engine switched off
8)Distance can be detected in meters or feet
9)Integrated by different beeping frequency and 3 colors LED
10)Automatically checking once powering
11)Wireless module is optional
12)Universal for all cars