This 9.2 Volt D-Tap Converter with 28″ Cable for Panasonic GH4 draws power from available industry-standard batteries that feature a D-Tap and regulates the power to a constant 9.2 volts. It features a D-tap connector on one end and a dummy battery that fits into the GH4 battery compartment on the other end. The converter regulates any input voltage within the range of 11 to 17 VDC, providing 9.2-volt output. A built-in blue LED power indicator lights up when you have sufficient power. The entire converter, including cables, is approximately 28″ long end-to-end. Made in the USA.