This service support switching, dimming and setting of the setpoint for all devices which IP-Symcon supports. Therefore all systems like EIB/KNX, LCN, digitalSTROM, EnOcean, eq3 HomeMatic, Eaton Xcomfort, Z-Wave, M-Bus, ModBus (e.x. WAGO SPS/Beckhoff SPS), Siemens OZW, Siemens Logo, several ALLNET devices and a lot more are compatible with Google Home using this service. A comprehensive list This service requires at least IP-Symcon 5.0 or newer with a valid subscription and Symcon Connect has to be enabled. Additionally this Module has to be installed and properly configured. (https://www.symcon.de/en/service/documentation/module-reference/google-assistant/) Hint: If you have any problems with this service, please contact us in our support forums, via mail oder telephone before giving a bad review. We are glad to help you!