General description This Smart WiFi Thermostat is designed for boilers and water-based underfloor heating systems, providing significant energy savings while maximizing comfort. It operates effectively even without a Wi-Fi connection. Technical specifications Output: Imax 3A current Power supply: 220V Requires two dry contact wires from the boiler Wi-Fi requirement: 2.4 GHz network Smart App/Voice Control Compatible with Tuya and Smart Life apps for remote control via smartphone or tablet Works with voice assistants like Alexa and Google Assistant for voice command functionality Modes Manual mode Scheduled mode with options for 5/2, 6/1, and 7/0 daily schedules Vacation mode Other Functions Open window detection to prevent energy waste Temperature calibration Ventilation function Reset function Frost protection Child lock Shutdown settings saving function Hysteresis setting Package contents 1 thermostat 2 screws 1 manual