Meike MK-A77 Battery Grip

Product Description* Please take battery off when did not use battery grip. * Make sure use original Sony battery * This product is not a chargerSpecifications Power Sources: NP-FM500H DC7.2V Power Switch: Camera's power switch Control temperature: 0?Cto 40?C Shooting capability: use two NP-FM500H battery, approx. 900pcs Dimensions: approx. 16.5*13*9cm Weight: 11.5 ounce