For System M. Push button module without rockers. With programmable status display. The device is connected to the bus line via a bus connection terminal. With integrated bus coupler. KNX software functions: The buttons can be parameterized either as a pair of buttons (two-surface) or as individual buttons (single-surface). Single-surface: Switch ON or switch OFF, dimming, scenes. Two-surface: Switch ON, switch OFF, dimming, scenes, blinds. To be completed in KNX with: Rockers for 2-way push button module System M 6192xx, 6252xx Rockers for 2-way push button module with imprint 1/0 and up/down arrows System M 6256xx. 6195xx Rocker switches for 2-way button module with imprint arrows up/down and 1/0 System M 6257xx, 6196xx Rocker switches for 2-way button module with imprint arrows up/down System M 6258xx, 6197xx.