This Multi-Power Battery Pack for Nikon D7000 is used with Nikon D7000 Camera only, has the same functions as the original Nikon grip MB-D11. It can hold one EN-EL15 rechargeable battery or 6 AA batteries (alkaline, Ni-MH, or lithium) - effectively doubling your shooting capacity. This battery grip includes an alternate shutter-release button for vertical shoots and the AE-L/AF-L button, Multi selector, main dials and subcommand dials to increase its functions, used more conveniently. Camera menu options allow users to choose whether the camera battery or this battery grip first.