Control your heating or hot water with a smart thermostat. Features an integral programmer, timer and 5 operating modes. Control from anywhere with the app via WiFi. Retrofits onto any immersion heater with a plug-in type thermostat. Horizontal mount only. Works with - iOS App - Android App 3-Wire Installation Overheat Cut-Out Protection 10 - 70°C Temperature Range Horizontally-Mounted Automatic Anti-Legionella and Frost Protection Internet Connection Required Works with - iOS App - Android App 3-Wire Installation Overheat Cut-Out Protection 10 - 70°C Temperature Range Horizontally-Mounted Automatic Anti-Legionella and Frost Protection Internet Connection Required