DSTE as MB-D12 Multi Power Battery Grip For Nikon D810, D800E, D800, D810A + Wireless Remote Control Package Contents: Battery Grip Pack for Nikon D810, D800, D800E, D810A + x1 + Wireless Remote Control x1 Has the same functions as original grip MB-D12, 100% Brand New. Warranty: 24 Months Camera menu options allow users to choose whether the camera battery or this battery grip first It takes one EN-EL15 or EN-EL18A rechargeable battery or 8 AA batteries. (alkaline, Ni-MH, or lithium) - effectively doubling your shooting capacity It 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