General description This Smart WiFi Thermostat is designed for boiler or water underfloor heating systems, providing energy savings and enhanced comfort. It operates effectively even without a Wi-Fi connection. Technical specifications Output: Imax 3A current Power supply: 220V Wi-Fi requirement: 2.4GHz network Compatibility and accessories Compatible with Tuya and Smart Life apps Works with voice assistants like Alexa and Google Assistant Package includes: 1 Thermostat, 2 Screws, 1 Manual Usage 3 operational modes: Manual, Schedule, Vacation Program mode options: 5/2, 6/1, and 7/0 day programming with 6 periods per day Open Window Detection to save energy by turning off heating when a rapid temperature drop is detected Additional functions: Temperature calibration, ventilation function, reset function, frost protection, child lock, power-off setting saving function, hysteresis setting