Meike Vertical Battery Grip for Nikon D3100 EN-EL14
(Third Party) Design Replacement NIKON D3100. The battery grip is equipped with a vertical-grip 2-Steps shutter button(support half-press focusing and full-press shooting), 1/4" Tripod screw mount. to enable shooting in the same way as a horizontal grip. Power soure:  ONE or TWO EN-EL14 rechargeable Li-ion battery. Package includes:Battery grip x1,Shutter Remote Cable x1,English manual x1(Original Manufactory Package).