In the design system M. With integrated bus coupler. Button with 4 operating buttons, operating and status display and label field. The operating display can also be used as an orientation light. The device is connected to the bus line via a bus connection terminal. Software functions KNX switching, toggling, dimming (single/double surface), blinds (single/double surface). Edges trigger 1, 2, 4 or 8-bit telegrams (distinction between short/long actuation). Edges with 2-byte telegrams (distinction between short/long actuation), 8-bit slider, scene recall, scene storage, locking functions. Accessories Label sheet for button 6183xx Scope of delivery With plaster protection cover. With bus connection terminal. Material: brilliant thermoplastic. Color: glossy polar white.