*New* High-end! SMDV RFN-4 Wireless Remote Shutter Release Cable for Canon EOS 1D, 1DS Mark II, III, Mark III, IV, 1DC, 1DX, D30, D60, 10D, 20D, 20DA, 30D, 40D, 50D, 5D, 5D Mark II, III, 7D, fully compatible with Canon RS80N3
The compact wireless remote has the ability to operate up to 260 feet away in the 2.4 GHz radio range, depending on weather conditions. The trigger fits comfortably in your hand and has a protective cover to avoid accidental shots.  The kit provides 16 multi-coded channels that work indoors, outdoors, and even through walls.