5.5mm X 2.1mm DC Power Splitter Cable 1 Female to 3 Male Output Y Adapter for CCTV Security Cameras and LED Strip Lights 40cm One point three power splitter cable for security camera, DC plug diameter: 5.5 mm outer diameter: 2.1 mm inner diameter, cable length: 40CM, this camera power splitter cable is convenient and cost-effective, can be used for 3 through 1 power adapter The camera power supply is compatible with 12V DC components for camera power connections and other low voltage accessories, suitable for CCTV surveillance camera applications in the home or office, powering multiple cameras through a central adapter.