Power Plug features one power connector end DC male to another end terminal for CCTV camera connected. Support power for CCTV camera accessories, such as video balun, DC power jack. Product Features: Plug Type : 2.1 x 5.5mm Male Terminal Type: Spring Clamp Material: Plastic, Electric Parts. Don't need welding, puch of type connector. Easy to install and use, plug and work. Support power for CCTV camera accessories, such as video balun, DC Power Jack. Adapter For 5050 3528 Single Color LED Strip Light.