DC 5.5*2.1mm For 5050 3528 5060 monochrome LED strip and CCTV camera 5.5mm x 2.1mm male and female DC power plug adapter
https://www.vogueparade.com/shopping/EN/5/1/1005002703163409/dc-5521mm-for-5050-3528-5060-monochrome-led-strip-and-cctv-camera-55mm-x-21mm-male-and-female-dc-power-plug-adapter//