This grip is specially designed for the Sony A6300/A6000 mirrorless cameras. It is equipped with an alternate release button for comfortable shooting in a vertical position. The power grip can hold one or two NPFW50 batteries to extend your shooting time.Dimensions: 5 1/8" x 2 1/4" x 3 7/16" / 130 mm x 57 mm x 88 mmWeight: 5 5/8 oz / 160 g (not including batteries)