8-way Plus button, pure white glossy Version with 8 buttons and LED. Integrated bus coupler When the button is pressed, the MDT button triggers KNX/EIB telegrams depending on the parameterization. The buttons can be parameterized as a pair of buttons (two-surface) or as individual buttons. In addition to dimmer/blind, contact type and blocking objects, there are numerous functions to choose from. The MDT Plus button has 2 integrated logic modules. A second object can be sent via the logic modules. The central label field with cover film allows the button to be individually labeled. The label template can be found in the download area on our website. If the button is not labeled, the light gray cover film provided must be used. The MDT button in the Plus series also has an orientation light and a two-color (red/green) LED per button surface. These can be controlled with internal or external objects. It is possible to display 3 states with one LED, e.g.: LED off = absent, LED green = present, LED red = window open. Suitable for 55mm switch ranges, e.g.: BERKER S1, B1, B3, B7 glass GIRA Standard 55, E2, Event, Esprit JUNG A500, Aplus MERTEN M-Smart, M-Arc, M-Plan The MDT button is designed for installation in switch boxes. Installation must take place in dry, indoor areas. To commission and configure the MDT button, you need the ETS3f/ETS4. The buttons can be freely parameterized as a pair of buttons or individual buttons Normally open or normally closed operation, length of button press adjustable Sending of values, forced operation and switching commands adjustable Button operation with short/long button press and 2 objects One and two button operation for dimmer/blind functions Central label field with cover film for individual labeling Installation with the included support ring Integrated bus coupler 3-year product guarantee