The DEVIreg Basic timer thermostat is a smart, programmable timer thermostat for controlling floor temperature. It is used to control electric floor heating elements such as the DEVIcomfort 150T heating mats. Easy Installation and Intuitive Operation The thermostat is intended for permanent installation only and, thanks to its special two-part design, fits into many 55 mm x 55 mm frames. With a convenient rotary knob for manual temperature adjustment and intuitive controls, it offers user-friendly operation. The DEVIreg Basic can be set up quickly and easily using the in-app wizard and features a program with optimal preheating control to ensure the desired floor temperature at the right time. Product Features