Progo Remote Shutter Release for Nikon D90 D5000 D5100 D5200 D3100 D3200 D7000 Progo brand professional remote shutter release Press the button half way to activate the autofocus and set the shutter speed Press the button completely to shoot Replaces Nikon MC-DC2, Length of cord: 3 FT, 90 CM One year manufacturer warranty