Connector Size: 2.1mm x 5.5mm; Cable Length: 40cm/ 15.7inch Useful for powering multiple cameras from one central adapter Convenient and cost effective way to power up 2 cameras with 1 power adapter Compatible with 12V DC Components for camera power connecting supply and other low voltage accessories This camera power splitter cable is durable and stable, perfect for CCTV camera application at home or in office