Parking sensor with full automatic sun visor LCD display

Detailed Product Description:

This new parking sensor system consists of 4 ultrasonic sensors, digital control box and a compact sun visor full automatic flip up and down LCD display.
The display will flip down automatically when system is on service and returned to original position when gear"p" position released.  
New smooth numeric and character matrix display system helps user to easily read parking statuses in a clear view.
Detecting distance between the car and the back obstruction by the ultrasonic sensors installed at the real bumper.
Driver can tell the backing distance with viewing the monitor as well as listing to the changing alarm sounds.