Features:

This Promaster Power Grip is specially designed for the Canon EOS Rebel T2i/T3i/T4i DSLR cameras. It is equipped with an alternate shutter-release button, AE-L/AF-L button, and main dial for shooting in a vertical position.

This power grip can hold one or two LP-E8 rechargeable Li-ion batteries to extend your shooting time or can conveniently use six AA batteries (alkaline, Ni-MH or lithium).