PACKAGE CONTENT - 1meter DC Female Power Supply 5.5x2.1mm Adapter to USB Plug female Cable Cable length: approx.4.72 inch/12cm (incl. plugs) ; Maximum Outside Diameter of Wire:4mm/0.16Inches. Female to female DC Jack, easier for camera installation. Use a power adapter with a barrel connector to power and charge USB devices. NOTED - Please make sure the Connector size are identical to what your need before buying