The wireless shutter remote replaces Canon RS-60E3/Pentax CS-205. It’s compatible with Canon EOS R6 Mark II, R6, R, RP, 90D, 80D, 77D, 70D, M5, M6 Mark II, Rebel SL3, SL2, T8i, T7, T7i, T6i, T5i, Powershot G1X, G1X Mark II, G1X Mark II, Pentax K-1, K-1 Mark II, K-3, K-3 Mark II, K-5, K-5 Mark II, K-7 and more with sub-mini connection. | The system works at a 433MHZ frequency and it has access 16 channels for one transmitter to trigger multiple receivers. | Multiple features are available for shooting, such as single-shot, 5-second delayed, 3 continuous shots, unlimited continuous shots and long exposure. | It works both wired and wirelessly up to 100ft. / 30 meters, depending on your own needs and setup. It’s useful for photographing wildlife or for macro and long exposures where it is necessary to eliminate any chance of camera shake. | The remote operates with radio frequency technology, therefore a direct line of sight is not necessary. It will be more flexible and convenient than an IR remote.