Compatible with the Canon EOS 5D Mark IV camera, the BG-E20 Battery Grip from Canon gives you the freedom to accommodate an extra battery grip for those long shooting sessions. It features a multi-controller interface for shooting in a vertical position. The AF area selection button makes it easy to operate the autofocus when required. Use the camera alignment pin hole for attaching the battery grip to most video tripod heads. The protective cover of this battery grip is made from high-quality magnesium alloy, making it durable. Also, this battery grip is resistant to water and dust.