2.1 x 5.5 mm Male Female Plug 12V Dc Power Pigtail Cable Jack For CCTV Camera Connector Tail Extension 12V DC Wire
https://www.vogueparade.com/shopping/EN/200004343/2/1005002877165400/21-x-55-mm-male-female-plug-12v-dc-power-pigtail-cable-jack-for-cctv-camera-connector-tail-extension-12v-dc-wire//