Buy on Amazon : http://www.amazon.com/gp/product/B008CLUQU8?tag=scratchandsti-20
2.1mm x 5.5mm Male CCTV Power Plug Adapter - 100 Pack
21mm x 55mm Male Plug power connector
Connectss to Female Power Jack on CCTV Camera
For Security CCTV power cable installation
Screw terminal strip for connecting power wires for other project use