Premium Material. This 12V extension cable is crafted from pure copper, ensuring lower resistivity and superior electrical conductivity. High Quality. The cable features AWG22 copper wire constructed from pure copper material. You can connect two or more 10ft (3 meters) extension cables to achieve lengths of 20ft (6 meters) or more. Multifunction. This is a DC male-to-female power cord with a connector measuring 5.5mm (outer diameter) x 2.1mm (inner diameter) for power plugs, using a 2.1mm center positive power connection type. PLEASE VERIFY THE POWER PLUG SIZE BEFORE PURCHASE, NOT COMPATIBLE WITH OTHER CONNECTOR SIZES. Strong Compatibility. Suitable for any devices, applications, and power adapters that require DC 12V power. Recommended for certain brand S1/S2/B2 WiFi IP cameras. Compatible with security cameras, IP cameras, AHD CCTV systems, CVI, TVI, VGA, DVI, HDMI, or HD-SDI cameras. Reliable extension for most cameras with power supply connectors, IP cameras, LED strips, routers, printers, audio pickup devices, and similar equipment. Easy Installation. Plug and play design for convenience. With DC jack input and output, this cable is ideal when your home surveillance system has short power cables.