Car DVD full display adapter, the camera uses dual probe ultrasonic. The camera uses AHD, it is recommended that car owners pay attention to whether their cars use suitable display screens, low-light cameras, and excellent night vision. When the car is in reverse gear, the reversing lights light up and the radar system starts automatically. When the vehicle is a whole body away from the obstacle, the video radar system begins to issue instructions, simply and clearly reflecting the real-time distance of the obstacle. When the distance between the vehicle and the obstacle is shorter than the normal reaction time of the human brain nerves, if the driver still does not take the correct driving and measures, the buzzer starts to alarm. Colour:Photo Color Material:ABS Package Contents: 1 x Camera sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.