5 x Male + 5 x Female 2.1x5.5mm DC Power Cable Jack Adapter Connector Plug Led Strip CCTV Camera Use 12V (5 Female Adapter + 5 Male Adapter) Simply & Professional appearance for power cabling; Easier for camera installation, save time and more securer cable connection; 2.1 x 5.5mm Male power plug connector; External diameter of the plug: 5.5mm,Internal diameter of the plug: 2.1mm; Welcome feel free to contact us if you have any question, we will solve all of your problems and supply the best service !