5 Pairs DC Power Plug Connector 2.1mm x 5.5mm 5.5*2.5mm DC connector Power Jack Adapter Plug Cable Connector for led strip light
https://www.vogueparade.com/shopping/EN/4003/1/1005002256537698/5-pairs-dc-power-plug-connector-21mm-x-55mm-5525mm-dc-connector-power-jack-adapter-plug-cable-connector-for-led-strip-light//