1Using DC port output, can use F970 battery to fill up the light of the monitor, or even the mobile phone, etc. to continue to supply power, extending the shooting time. 21/4in screws, hot shoe holder can be installed on the top, bottom, camera cage, easy to install and remove. 3ENEL14 full decode dummy battery is suitable for Nikon D3400 D5200 D7100 D5100 camera. 4Multiple protection technologies, such as short circuit protection, overvoltage protection and overcurrent protection, ensures safety during use. 5The external power supply is made of highquality plastic, which can effectively reduce the heat of the camera and prevent the image quality from being affected by the heat of the camera. Condition: 100% brand new Item type:DummyBattery Set Material:Plastic + alloy Color: black Weight: Approx. 195g Decoding: full decode Connector: DC port, 1/4in screw, hot shoe base Input power: F970, F960, F770, F750, F570, F550 batteries (batteries not included) Input voltage: 7.2V-8.4V Output voltage: 8.4V Protection: short circuit protection, over voltage protection and over current protection Function: Use F970 battery to power for Nikon D3400 D5200 D7100 D5100 camera through EN-EL14 dummy battery kit 1 xBatteryboard 1 x Adapter base 1 x DC cable 1 x DummyBattery