JacobsParts DC Coupler Female to Female F/F 5.5mm x 2.1mm Barrel Jack Power Connector Plug for LED/CCTV
Connect two male DC power plugs. 5.5x2.1mm is the most common barrel connecter used for LED lighting, CCTV equipment, computer and network equipment, and more. This coupler also works with most 5.5x2.5 DC plugs.
