• Product Function Description: shape vertical grip with shutter-release, main dial, exposure lock button. Compatible: for Nikon D750 Battery Type: One EN-EL15 battery,6pcs AA/LR 6 Alkaline Battery (Battery not included) • Working temperature: 0-40 Weight: Approx.207.5 g(without batteries and battery magazine) • • The Replacement MB-D16 Multi Battery Power Pack can be powered either by six AA batteries (Alkaline or Ni-MH or Lithium), or EN-EL15 rechargeable Li-ion batteries. To use the MB-D16 with AA batteries, use the MS-D16 AA Battery Holder. When using EN-EL15 batteries to power the MB-D16, use the MS-D16EN Battery Holder. • The Replacement MB-D16 is equipped with a shutter-release button, AE/AF lock button, multi selector, and main- and sub-command dials for improved operation when taking photographs in portrait (tall) orientation.