ITEM NAME:5 Pairs Male and Female 2.1x5.5mm DC Power Plug Jack Adapter Connec SA Product information Male Description: 2.1 x 5.5mm Camera DC Power Plug Connector. DC Power Plug with plastic construction and strain relief. This 2.1 x 5.5mm Power Plug features one power connector end DC plug male to another end terminal for CCTV camera connected. It is a perfect solution for those who want to make custom power cable. This CCTV Camera DC Power Connector will provide a great connection. Internal diameter of the plug: 2.1mm External diameter of the plug: 5.5mm It measures approx. 1.5" long, 0.55" wide, 0.5" thick. Female Description: No electrical tap, No splicing, no crimping, but only a small screw driver. Easier for camera installation, save time and more securer cable connection. 5.5mm x 2.1mm Female power plug connector. External diameter of the plug: 5.5mm. Internal diameter of the plug: 2.1mm. Dimension: 38mm(L) x 14mm(W) x 13mm(H). Package Includes 5 Pairs Connector.No electrical tap, No splicing, no crimping, but only a small screw driver. 5.5mm x 2.1mm Female power plug connector. 5 Pairs Connector. DC Power Plug with plastic construction and strain relief.