3-way comfort push button sensor with label field KNX S.1/Bx anthracite/aluminium. 3-way push button sensor for local operation, for plugging onto a bus coupler Up, with dismantling protection, with label field, multi-coloured status LEDs, integrated temperature sensor for measuring the ambient temperature. For commissioning with ETS 4 or 5 and System easy. Flush-mounted installation, standard range.