The battery grip is equipped with a vertical-grip shutter button(with control lock), Main command dial, Sub-command dial, Multi selector, AE-L/AF-L button, 1/4" Tripod screw mount. to enable shooting in the same way as a horizontal grip. Power soure: One EN-EL15 rechargeable Li-ion battery. or SIX AA batteries(LR6 alkaline, HR6 Ni-Mh or FR6 Lithium). Support Optional EH-5 AC Adapter and EP-5B Power Connector With contact cover holder that can place the camera contact cover to prevent loss. Product Size(W*H*D): approximately 133 50 73mm Weight: Approx. 234g (battery excluding)