This large capacity battery grip is powered by two Battery Pack LP-E6, six AA-size/LR6 batteries or an optional AC Adapter Kit ACK-E6. It features a variety of operating controls such as shutter button, Main Dial,, AF point selection button, AE lock/FE lock button, AF point selection button, and AF start button. This is ideal for high volume and easy vertical shooting. Features Product colour Black Compatible products EOS 70D Brand compatibility Canon Product type Digital camera battery grip Battery Number of batteries supported 6 Cylindrical battery size AA