2.1mm Quad Male Power splitter Pigtail Connector:1-Power In,4 CCTV Cameras Out 1 to 4 Power Splitter power cable (Power Splitter connection) Plug and Play ready. For camera with DC power only Female 2.1mm Jack to 4 Male 2.1mm adapter cable For adapting power supply/cable to CCTV cameras. Standard DC jack for DC power needed applications such as CCTV, 12V Power Adapter and more