Functions:

1. when moving objects (such as vehicles, pedestrians, etc.) are detected within the blind area (4m*13m) on the back side of the car (Left or Right), the warning LED light will light up.

2. if turn Left or Right steering signal at this time, the warning LED light will flash, meanwhile, the sound alarm will warning sound "didi".


3.system automatically recognize still objects and vehicles, avoid false alarm.