General description This WiFi Thermostat for Gas Boiler and Underfloor Heating (model KTF0155C) is designed for easy control of your heating system. It can operate with or without WiFi, providing flexibility in usage. The thermostat is compatible with Alexa and Google Assistant, allowing for voice control and remote access via your smartphone. Technical specifications Output: Imax 3A current Power supply: 220V WiFi requirement: 2.4 GHz Installation Requires 2 dry contact wires from the boiler for activation Usage Control via Smart Life/Tuya app for remote access Change temperature settings and create schedules Weekly programming options: 5/2 days, 6/1 days, and 7/0 days with 6 time slots per day Manual mode, schedule mode, and vacation mode available Open Window Detection feature to pause heating when a rapid drop in temperature is detected Additional functions: temperature calibration, reset, child lock, shutdown data saving function Other information Package Contents: 1 thermostat,