DOT LINE CORP - RS-RT04/P Wireless Remote Release Set For Pentax K10d & K100d Digital SLRs

RPS Wireless Shutter Release
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.Designed to fit specific cameras. 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.