The item you purchased is a Pro Battery Grip for Canon EOS 5D Mark II.It can hold 6 AA batteries or two LP-E6 li-ion batteries, doubling thebattery capacity of your camera. Vertical shutter release button on theBattery Grip makes shooting with the camera in a vertical position mucheasier, adding stability to the camera.
In this professional edition, it comes with several functional buttonsas the flash above showing. It will be much convenient while using. Itprovides additional shutter release, main dial, AE lock/FE lock and AFpoint selection controls for easier vertical shooting. Having the samefunction as Canon BG-E6!
Note: The battery grip BG-E4 for the previous EOS 5D is not compatible with the new EOS 5D Mark II camera
The Camera in above flash is not included.
