including mounting plate, adhesive film and fastening screws for 3-way button set, item no.: .. 403 TSA .. for 2-way button with symbols, item no.: .. 402 TSAP .. for 4-way button with symbols, item no.: .. 404 TSAP .. ETS product family Button Product type 3-way button 3 red LEDs: actuator status 1 blue LED: transmission status Intended use Radio-based operation of consumers, e.g. light on/off, dimming, blinds up/down, brightness values, calling up and saving light scenes Operation in wired KNX systems via media coupler (item no.: MK 100 RF) Installation on device box with dimensions according to DIN 49073, screw fastening on walls or adhesive mounting on smooth surfaces (glass panes) Product properties Touch sensor functions Switching, dimming, Blind control, value transmitter, scene call, etc.