WT-02 wifi rf wireless thermostat can be a convenient solution for controlling a gas boiler or air-to-water heat pump. These thermostats typically connect wirelessly to the heating system, allowing you to control and monitor the temperature settings remotely through a smartphone app      Large LCD Display with tempered glass design       Multiple modes control(Manual,Economy and PRG. Mode)      Water or Electric underfloor heating or cooling system       7 days Programmable (4periods/day)      Child Lock       Open Window Detection      Frost protection      CE, ROHS approved      2.4Ghz Tuya Smart Life APP