CameraPlus - DR7DRII Build-in 2.4G Wireless Control Battery Grip for 7D Mark II 2 7D2 as BG-E16 Replacement Works with LP-E6 Battery or 6 AA Batteries Suitable for Canon EOS 7D Mark II Built-in FSK 2.4G UP to 100M transmission distance Remote control It can use LP-E6 or 6pcs AA/LR 6 Alkaline Battery(Battery not inclued) LCD display Timer remote function, setting the delay time, exposure time, interval and number of sheets photo The Replacement BG-E16 is equipped with a shutter release button, main dial, multi-controller, AF point selection button, AE/FE lock button, AF start button, and multi-function button are all integrated into the grip for improved and versatile handling.