Product Overview The Heat Controller FIBARO The Heat Controller is a remotely controlled thermostatic head to control temperature in your room. It will measure the temperature and automatically adjust the heat level. It can be mounted without tools on three types of thermostatic radiator valves. FIBARO The Heat Controller lets you create schedule via app to easily manage temperature throughout the week. Main features To be installed on three types of valves M30 x 1.5, Danfoss RTD-N and Danfoss RA-N, Compatible with Apple HomeKit technology, Bluetooth low energy technology for wireless communication, Built-in battery recharged through standard micro-USB port, Easy installation – no tools required, Can use an external temperature sensor, Supports heating schedule, Automatic calibration, Anti-freeze function, Decalc function.