1.Internal Diameter of the Plug: 2.1mm
2.External Diameter of the Plug: 5.5mm
Male DC CCTV Power Connector , 2.1mm Male Power Plug with Screw Terminals
Male DC plug with terminal screws
2.1mm male Power Plug with Built-in Screw
This CCTV camera power connector is from one power connector end DC jack male to another end terminal for CCTV camera connection.
Net Weight: 6g/piece
Also it can be usded for Solar system, LED system....