Adorama Wireless Radio Remote Release for Canon EOS Rebel XT/XTI/XSi/T1i, Pentax K10D/K100D, Contax 645 and Hasselblad H Series Cameras (2.5 Mini Plug)
Eliminates the need for a cable release. Allows the camera to be fired from a distance up to 100 ft. uses RF (radio frequency) signals, not line-of-sight like infrared. Transmitter has a 2 position switch...press lightly for prefocusing, and then continue pressing to release the shutter. LED lights indicate prefocus and exposure. May be used on up to 16 channels...user settable.