Enjoy longer-lasting and improved control shots, especially in portraits with the Canon BG-E20 Battery Grip for your EOS 5D Mark IV. It can hold up to two LP-E6/LP-E6N Li-ion batteries and doubles the time of your shots. In addition, it features control buttons for vertical shots, such as a shutter release button, a multi-control button, and a focus area selection button. It is made of magnesium alloy to perfectly match the 5D Mark IV and is also water and dust resistant. Finally, it has a hole for quick release base support, etc.