Radio remote control, KNX, 4 buttons, 4 channels. Radio transmitter for switching consumers in connection with KNX-capable bus systems via KNX radio. The device converts the switching information into unidirectional commands. Functions: switching, dimming, blinds, selection of operating mode for heating function, time, scene recall. The device has a button lock function to prevent accidental activation of functions. A multi-colored LED shows the transmission, configuration and battery status. The individual buttons can be labeled and the remote control can be used as a key chain thanks to the integrated eyelet.