PACKAGE CONTENT - 1meter DC Female Power Supply 5.5x2.1mm Adapter to USB Plug Male Cable Cable length: approx.3.28 ft/1m (incl. plugs) ; Maximum Outside Diameter of Wire:3.5mm/0.14Inches. Male to male 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