TGM50 series thermostats is used for underfloor heating system, it has many functions, including manual/away/auto mode, app remote control, voice control, etc. The special function is window-open detection function, when you open the door or window, the device can detect it ans stop heating; when you close the door or window, the device can continue to heat your room temperature automatically, which helps you save energy bill. We warm welcome you visit our company website for more details https://www.beok-controls.com/room-th....