Brand New Pro Battery Grip for Nikon D3100 D3200 D3300 SLR Camera; NOTE: Battery Holder for AA Batteries is NOT included; The handle shutter button function cannot be used without using the shutter release. NOTE: ONLY compatible with Nikon D3100/D3200/D3300/D5300 Hold 2 EN-EL14 rechargeable Li-ion batteries. Vertical shutter with half-press function. More comfortable vertical shooting. Doubling the battery capacity of your camera, effectively extend your shooting time. Significantly improves stability.Signal transferring cable included.Tripod screw mount.