DSTE Pro HLD-7 HLD7 Vertical Battery Grip for Olympus E-M1 SLR Digital Camera as BLN-1 A firm, comfortable grip for vertical-position shooting with the Camera. Buttons and controls are conveniently placed and easy to reach for greater comfort. Holds one Li-ion battery for extended shooting The rugged, but lightweight, body design has gasket-sealed controls to resist dust. Dimension :128.5*48.2*57.3MM Remaining power indicator