GSI Super Quality Professional RF Wireless Shutter, Includes Transmitter, Receiver And Cord For 100 Ft. Control, Instant And Delay Shutter Functions, Fits Pentax K100D, K110D , K10D, K200D , K20D , K2000 , KM, *ist DS2, *ist D , *ist Ds, *ist , *ist DL, *ist DL2, MZ-6 , ZX-L , MZ-L - Contax 645, N , N1 , NX, N Digital - Samsung GX-1L, GX-1S , GX-10 , GX-20 - Canon Select EOS, ELAN And Rebel Cameras - Compatible With CANON RS-60E3, PENTAX CS-205 And CONTAX LA-50 New Camera Radio Frequency Shutter Consists of 3 Components, Transmitter, Receiver And Connecting Cord Create Compelling Close-Up Pictures From Up To 100 Feet Line-Of-Sight Distance, Triggers The Camera Shutter Either Instantly, 3 Second Delay And Wireless Long Exposures Receiver Attaches To Camera Shoe And Connect To Camera Remote Port With Connecting Cord Use One Transmitter With Multi Receivers, 16 Codes Available