Full 1-Year Warranty and Lifetime Technical Support Provided Directly from WildHD. 33ft Length-To Extend The Adapter Cable for any Brand Wifi IP Security Camera and CCTV Security Camera, Standalone DVR. High quality-DC Extension Cable is Made of Premium Pure Copper Material, Featuring Lower Resistivity and Better Electrical Conductivity That Can Effectively Reduce Voltage Attenuation. Compatible- Fit for 12V Power Adapter or Similar Device and for any Applications That Require DC Input and Accept 2.1mm x 5.5mm Plug, Does Not Work with other Sizes. Connectors-The Size of The DC Power Extension Cable Plug is 2.1mm x 5.5mm, Female to Male, Jack to Barrel Plug.