Specification:

12,1 x 5.5mm CCTV 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: 2,1 mm
External diameter of the plug: 5.5mm
It measures approx. 1.5" long, 0.55" wide, 0.5" thick.