The reversing radar is composed of ultrasonic sensors, host, display, Compatible with Audio system, etc. When the car is reversing, the reversing radar will automatically start to work. ^^ There are 8 sensor systems, dual CPU and advanced chipset, which can enhance the coverage and inspection range. ^^ Ultrasonic sensors detect the distance between cars and help dangerous and costly collisions ^^ Equipped with miniature LED display buzzer alarm and main box, it is easy to find a suitable location in the vehicle for installation ^^ The closer the obstacle is, the louder and faster the alarm sound, and the color of the LED will increase.