Power Sources:1×NP-FM500H or 2×NP-FM500H（Battery not include） Fit Cameras:Sony SLT-A77V/SLT-A77 Replacement For:Sony VG-C77AM Operating Temperature:0-40℃(32-104°F) Dimensions: Approx.139*125*87mm Weight:Approx.335g Goliton® is a registered trademark protected by the US Trademark Law. Goliton® products are sold by authorized sellers only.