iMBAPrice iMBA-CCTV-PGTM-10 CCTV Security Camera DC Male Power Plug Pigtail Cable - Pack of 10 (Black/Red) Center positive 2.1mm DC plug to durable two strip tinned wires Molded male connectors Outside diameter: 5.5mm Inside diameter: 2.1mm 1 foot length, easy to maneuver and install, and helps conserve space