1 Battery Grip for Canon EOS 550D/600D/650D/700D Rebel T2i/T3i/T4i/T5i SLR Camera2 6 AA batteries or 2 LP-E8 Li-ion batteries shutter with half-press operate More glad vertical taking pictures the battery ability of your camera, efficiently extending your taking pictures time version with vertical-grip shutter-release button, main dial, AE-L button, Index/Reduce button and Exposure button