Key Features POWERS Devices Using SONY NP-FW50 Batteries 28″ In Length Description Your devices using SONY NP-FW50 batteries is used with this Indipro D-TAP cable using a revolutionary Safetap connector, protects your equipement with patented technology Built-in intelligence Monitors for reverse polarity, over/under voltage, short circuits and prevents battery deep discharge Accepting 10-28 VDC input from a D-TAP source, the inline regulation ensures stable 7.9 VDC output is sent through the dummy battery to power your device through the correct voltage.Unlike some of our competitors cables, the inline regulation ensures there will be no overheating or video noise on your camera.This cable is 28″ tall and is assembled in the USA.