Opteka RFT-40 Remote Shutter Release & Wireless Flash/Light Trigger Combo for Nikon D90, D3100, D5000 & D7000 Digital SLR Cameras (Range up to 650') Fully dedicated for the Nikon D90, D3100, D5000 & D7000 Digital SLR Cameras Wireless Remote Shutter Release Wireless Remote Flash & Studio Light Trigger -- Range up to 650' (200 m) Control Shutter Release & Autofocusing; Single or Continuous Shooting/Bulb Mode 1 Year Warranty