This D-Tap to NP-FW50 Coiled Dummy Battery Cableenables you to power your camera or compatible device using a D-Tap power source like a pro Gold or V-mount battery or a splitter plate. This cable accepts an 11 to 28 VDC input and outputs a steady, regulated 7.9 VDC. The inline regulator will neither overheat nor cause video noise in your camera.