Thank you for helping us by reporting bad content.
The Canon Battery Grip BG-E8 is dedicated for the Canon EOS 550D. It allows vertical shooting control and accommodates two LP-E8 batteries for high volume shooting, battery life extended to 1,100 shots. The battery Magazine BGM-E8A is included for use of size-AA batteries
This battery grip includes an alternate shutter-release button for vertical shoots and the AE-L/AF-L button, Multi selector, main dials and subcommand dials to increase its functions, used more conveniently.
BG-E8 Battery Grip Specification: