In the System M design, this device features an integrated bus coupling unit. It includes a push button with eight control keys, an operating and status display, as well as a text field. The operating display can also serve as a orientation light. The device is connected to the bus line via a bus connection terminal. The software functions include KNX switching, toggling, dimming (single/double surface), and blinds (single/double surface). It supports edge triggers for 1, 2, 4, or 8-bit telegrams, allowing for differentiation between short and long presses. Additionally, it has edges with 2-byte telegrams, an 8-bit controller, scene recall, scene storage, and deactivation functions. Accessories include a labeling sheet for the push button. The package includes a dust protection cover and a bus connection terminal. The device is made of brilliant thermoplastic material in glossy white.