· How to Use: ①Connect the dummy battery to V mount battery; ②Insert the powered dummy battery into the camera battery compartment correctly; ③Close the battery compartment cover. Please follow the installation steps when using. If the camera battery compartment is not closed, the dummy battery will not work normally. · Continuous Power Supply: A dummy battery allows you to use the D-TAP plug-in to continuously power your camera from an external power supply. This means that you don't have to worry about changing the battery or the battery overheating and losing power because of recording for a longer time. It is a good choice for video conference, live streaming, time-lapse photography, live broadcast, extending studio sessions, uploading files to PC and more.