Neewer Infrared Remote Control Vertical Battery Grip Replacement for MB-D16 with 2 Pieces of EN-EL15 Replacement Battery Pack for Nikon D750 DSLR Camera Support taking photos with Infrared. 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 orientation. buttons and custom buttons. Vertical shot becomes as easy as horizontal shooting. It can be powered either by six AA batteries (Alkaline or Ni-MH or Lithium), or EN-EL15 rechargeable Li-ion batteries. No Memory Effect Batterie - Lets you recharge partially drained batteries