About this item This is a 4Pin male to female dashcam backup camera extension cable. Please pay attention to the pin configuration to 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. However, it may not be compatible with some special types of dashcams. Original design for a perfect match with rearview reverse camera extension cord. Easy installation with Plug and Play functionality. This 4Pin extension wire works for backup cameras, dash cams, and rearview mirror cameras. Dimensions: 7.72 x 5.75 x 0.55 inches.