HomeSherlotronics wall mount transmitter Code hopping encryption Audible piezo output Weather-proof / splash proof housing 3V Long life lithium battery Frequency stability controlled +/- 75KHz 403.55MHz or 433.92MHz can be selected
Sherlotronics wall mount transmitter Code hopping encryption Audible piezo output Weather-proof / splash proof housing 3V Long life lithium battery Frequency stability controlled +/- 75KHz 403.55MHz or 433.92MHz can be selected