The IndiPRO Tools 24 In. Power Cable, P-Tap to Blackmagic Cinema Camera is used to power the Blackmagic Cinema Camera from an power source with a standard P-Tap connector. The cable is 24 In. long and is made from 18-gauge stranded copper wire. It features a P-Tap connector on one end, and a coaxial connector on the other end to plug into the Cinema Camera to power your camera from power supply or battery.