If the image cannot be displayed after correctly connecting, please seek help directly from us. The body of this backup camera can be rotated 360 degrees, the lens can be rotated 45 degrees (right to left) + 45 degrees (top to bottom), giving you a perfect view in all possible positions. If your camera's default parameters don't match the camera, please change your radio signal after installation to avoid screen problems caused by inconsistent radio parameters with the camera. Note: This 4-pin connection is between the camera unit and the power cable, it is not directly connected to the monitor, please use the cables supplied with the camera for installation and wiring, and do not connect the camera directly with the original cables in the car or cables of other brands.
eBay