About this item This is a 4Pin male to female dashcam backup camera extension cable. Please pay attention to the pin configuration and select the correct cable. This 4Pin rear camera extension cable is a standard accessory that fits most dash cam rearview mirror cameras and backup cameras, but may not be compatible with some special types of dashcams. Original design for a perfect match with rearview reverse camera extension cord. Easy installation, Plug and Play. This 4Pin extension wire works for backup cameras, dash cams, and rearview mirror cameras. Dimensions: 7.72 x 5.71 x 0.51 inches.