Detailed description of the product：
- 1 It is wireless between 3.5 inch monitor and main box,the camera connect to main box.
- 2 Display the optical videos by a camera equipped car back.
- 3 Measure the obstacle distance by sensors and show on the 3.5” TFT monitor.
- 4 You can tell the obstacle at right or left from TFT Monitor.
- 5 With night infrared camera,you can see the obstacle even during night.