20m BNC video and 2.1mm DC power extension cable for CCTV and video applications. Designed for reliable signal and power transmission between surveillance cameras and recording or display equipment. Key benefits Extends both composite video and DC power in a single cable to simplify installations and reduce cable clutter. Durable construction with rugged plastic jacket, metal connectors, and copper conductors for long service life. Weather resistant and lightweight design for indoor and outdoor use. Easy DIY installation that connects directly to surveillance cameras, DVRs, video capture cards, and host computers. What it does Carries BNC video and 2.1mm DC power together, enabling a single run between camera and recording or power equipment. Maintains signal integrity for CCTV systems and analog video sources such as TV boxes and LCD monitors. Key features Condition: 100% Connector: BNC video connector plus 2.1mm DC power connector Material: durable plastic housing with metal contacts and copper conductor Color: Black Length options: 5m, 10m, 15m, 20m Package weight: approx. 137 g Package includes: 1 extension cable Compatibility Designed for closed circuit television systems and other analog video applications Compatible with surveillance cameras, DVRs, video capture cards, TV boxes, and LCD monitors Typical use scenarios Home surveillance: Run a single cable from an outdoor camera to an indoor DVR to provide both video and power. Small business security: Extend camera locations across a retail floor or storage area while keeping installation neat and reliable. CCTV testing and capture: Connect analog cameras to a host computer or video capture card for monitoring or recording. Notes Manual measurement may have a 1 to 3 cm tolerance. Please check connector types and required length before ordering.