Wireless remote control, KNX, buttons, 18 channels. Radio transmitter for controlling consumers in conjunction with KNX-compatible bus systems via KNX radio. The device converts switching information into unidirectional commands. Functions: switching, dimming, blinds, selection of operating mode for heating function, timing, scene recall. A multi-colored LED indicates the transmission, configuration, and battery status. The individual buttons are labelable. To ensure safe reading and operation in the dark, a motion sensor can be activated to briefly illuminate the button and labeling LEDs. TU418.