Opteka RFT-40 Remote Shutter Release & Wireless Flash/Light Trigger Combo for Canon EOS 1D, 1Ds, 5D, 7D, 10D, 20D, 30D, 40D, 50D Digital SLR Cameras (Range up to 650') Fully dedicated for the Canon EOS 1D, 1Ds, 5D, 7D, 10D, 20D, 30D, 40D, & 50D 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