Vivitar Replacement Battery Grip for Sony VG-C77AM, Alpha A77, A77 II, A99 II BeyerDynamic an extremely light and rigid

an extremely light and rigid material

Protect components from scratches

5mm jack on a home entertainment system

Fast Data Transfer

Vivitar Replacement Battery Grip for Sony VG-C77AM, Alpha A77, A77 II, A99 II BeyerDynamic an extremely light and rigidFeatures Fits Sony A77, A77 II & A99 II Cameras Comfortable and secure handling when shooting in the vertical position, including a secondary shutter release button, AF start button, smart teleconverter focus magnifier, Fn image rotation button, AEL slow sync image index, AF MF enlarge button, and exposure compensation buttons, a Multi selector, and a main dial. Holds up to 2 NP FM500H Lithium ion batteries, effectively doubles the camera's battery