Video cables for dashcams come in a variety of uses. Available include extension cables to connect the rear camera of the dashcam to the front dashcam. The cables that come standard with 2CH Dual dashcams are usually 6 meters, which may be just too short if you want to use the dashcam in a camper or van. Other video cables for dashcams include HDMI cables. With an HDMI cable you can connect the dashcam to a TV or other monitor and view the images directly on it.