Compatible with Canon EOS 70D/80D/90D DSLR cameras Powered by up to two LP-E6 battery packs or six AA/LR6 batteries(Battery are NOT included) Improved ergonomics for comfortable holding Features a variety of operating controls: shutter button, Main Dial, multi-controller, AF point selection button, AE lock/FE lock button, AF start button, and multi-function button Ideal for high volume and easy vertical shooting