Universal Power Adapter -DC Coupler Highlights Generic Brand DC Coupler Description: Primarily built for studio convenience, allow you to power your SONY camera by power station or high capacity Li-ion battery instead of the NP-FW50 battery. DC couplers can also increase shooting efficiency. Designed for Sony ILDC camera, such as for Sony A7 A7II A7R A7S A7RII A7SII A6000 A5000 ILDC cameras Fully decoded built-in protection circuit, showing the electricity consumption on the screen of the SLR camera. Bulti-in protection against high over voltage, over current and short circuit. Power Supply: 7.6V~8.5V Specification: Plug Size: 5.5mm*2.1mm Cable Length: 90cm / 3FT Material: ABS Instruction: Step 1: Remove the old battery Step 2: Insert the dummy battery piece into the battery container Step 3: Unplug the DC cable from the reserved DC hole (the DC jack is near the battery compartment) Step 4: Just connect the DC cable to the power supply Package includes: 1PiecexDC Coupler