Description:Input: 100V-240V AC; Output: DC 8

4V, 1

7A;Includes ACK-E4 Power Adapter & DE-E4 DC CouplerCompatible with Canon 1D MARK III,1DS MARK III, 1DS MARK IV,1DX,1DC, -1D X Mark II Digital Cameras

Connect the Adapter to Power Source and Put the Coupler into the Battery Compartment to Provide Stable and Continuous Power for Your Camera

need to replace and recharge your batteries again and again for long-time shoot, studio shoot and when you are downloading, processing or viewing photos or videos when connected to your PC, TV or VCR

Specification:Material: plasticCable Length: 120cm/4ftPackage Includes:1x AC Adapter1x DC Coupler