... Show Distance,Buzzer Alarm 3.5 inch Mirror Parking Sensor system with camera LD05-BB-4* Super slim Car Rearview Mirror,3.5 ... the reverse, the radar system into the work automatically, and automatically switch to reverse video, automatic wake-up function;* When you parking, ... obstructions simulated show the direction of article, Bi, Bi voice prompts at three levels* Configure the installation of a ...