DSTE Professional Vertical Battery Grip Holder w/Wireless Remote Control for Nikon D3100 SLR Digital Camera as BG-2F Package Contents: Battery Grip Pack for Nikon D3100 + Wireless Remote Control Has the same functions as original grip, 100% Brand New. Warranty: 24 Months It comes with a signal transferring cable with which you will be able to use a shutter release. Hold two EN-EL14 or six AA batteries to double your shooting time Add a Vertical-grip shutter button (you need to contact the cable that we offered with the camera), convenient for Vertical Shot.