There are not any wire between the monitor and Main box and camera; it is used 2.4G frequency to transceiver the signal. It is wireless and very easy to install
Display the optical image by a camera equipped behind your car
Measuring the distance by radar, the sensors measure the obstacle distance, display in the TFT screen
Measure distance between 0.4 to 2.0m
Direction the way, it can show the obstacle at right or left
The 3.5 inch monitor stand on the dash board, it is easy to see the image
With night version camera so that you can see the obstacle even in the night
All kinds of sensor colors and styles are available