Features: Battery grip designed for Canon EOS 5D Mark IV, replacement for BG-E20 original battery. Largely prolong camera shooting hour, great for outdoor photography. The battery compartment is for 2 * LP-E6N/LP-E6. (Battery need to purchase separately.) With AF AE button, multi-controller, multi-function button, shutter button, main dial, make vertical shooting stabler and easier. Made of hard lightweight ABS, with non-slip comfortable rubber. With 1/4 tripod socket on the bottom.