Andoer Vertical Battery Grip Holder for Nikon D3100 D3200 D3300 DSLR Camera This battery grip is specially designed for Nikon D3100/ D3200/ D3300 DSLR Camera. Equipped with longitudinal shutter button, you can get vertical shooting effect with lateral manipulation hand, very easy and convenient operation. Comes with a cable for connecting the battery grip and camera. Powered by one or two EN-EL 14 rechargeable Li-ion battery, effectively increasing the operating time of the camera. (Batteries are not included) With a 1/4" screw hole in the bottom, can be fixed on the tripod easily.