1COMPATIBLE MODEL: Professional EL18 DC coupler (connector) kit, replace ENEL18 battery, suitable for Nikon D4 D4S D5 D6 camera, with good compatibility. 2WITH POWER ADAPTER: Equipped with AC, DC power adapter, which can continuously charge your camera, input 100V240V 50/60Hz, output 12V/3A, safe and stable. 3USAGE STEPS: Take out the original battery, replace the dummy battery, close the battery compartment cover, connect the adapter, and connect to the power socket. 4CONTINUOUS USE: Designed for long term studio shooting, continuous shooting of photos or videos, without worrying about the sudden power failure of the camera. 5IMPROVE WORK EFFICIENCY: Using this dummy battery kit can save your time and greatly improve work efficiency, suitable for photo studio photographers or photography enthusiasts.Item Type: DC Coupler Kit Material: ABS Model: EL18 Color: Black Input: 100-240V 50/60Hz Output: 12V/3A Applicable Models: Applicable for Nikon D4 D4S D5 D6 1 xDC Coupler 1 xPower Cable 1 x Adapter 1. Please be sure to close the battery compartment door, otherwise the camera cannot be started.2. The DC coupler can realize all the original functions. But our DC coupler cannot be used alone, you need to equip the AC, DC adapter of this kit in order to use it with your camera.