The SoftSwitch KNX wall switch is an intelligent device that communicates by KNX system and is the ideal input device for all KNX products. The buttons can be used as switches, buttons, trigger set, etc. Power is supplied via the bus data line. All-around where different scenarios are provided with switching commands, the SoftSwitch KNX is the best choice. In addition, the device has a built-in infrared receiver, so that all switching functions can be used by a remote control too. different types: