2.1 X 5.5mm DC Power Barrel Coupler adapter (F) to (F) -Used for CCTV, Camera power barrel wiring -Size: 2.1 X 5.5mm -Gender: Female to Female - We specialize in Electronics, Computer, Cell Phone, tablet, Camera, Professional Signal Conversion Devices, Networking, Security, Adapter, Cables and other Accessories Pickup Location: "Cable Link" Tel: 613-680-6188