Video and power 91m BNC cable for use with CCTV Cameras. This extension cable is integrated with DC power cable for CCTV video cameras, BNC connections and double shielded with aluminium foil. Adding up to 30m of distance to a security system, this is the perfect extension cable for home and office interiors. It is tight, secure and will not accidentally disconnect. Please note that 91 meters is a long run for CCTV cameras, it is not recommended you go beyond this distance as the video signal will be poor. We would recommend you remove your 18 meter cable and replace with this cable as joining the cable and extending may lead to video loss. If you are considering longer runs than 91 meters, then we would suggest a balun or cat 5/6 configuration.