[compatibility] integrated installation, easy to install and use.This is a wifi enabled thermostat for your boiler or water underfloor heating, saving you a lot of energy and maximizing your comfort.It is also fully functional without Wi-Fi.Output: IMAX 3A current.This thermostat requires a 220V power supply and 2 wires in dry contact with the boiler to start the boiler.CE certified. [Smart Control via app / Voice] control your wifi thermostat from your smartphone or tablet anywhere, anytime with the app or Smart Living.Easily connect the thermostat to a voice assistant device such as Alexa or Google Home to control the thermostat using simple voice commands.Requires a 2.4 GHz Wi-Fi network. [3 modes to choose] This wifi heating thermostat has manual mode, schedule mode and vacation mode to meet your individual needs.Program mode offers 5/2, 6/1 and 7/0 day programs, 6 periods per day, to heat your home to the right temperature only when the program requires it, to save energy andenergy bills. [Open Window Detection] Open Window Detection function helps save energy.The connected boiler thermostat will automatically turn off the heating to avoid wasting energy when ventilating the room - by detecting a rapid drop in room temperature (for example when a door or window is open). [more functions] Temperature calibration, fan function, Reset function, antifreeze, child lock, power-off parameter saving function, all parameters will be saved when power off, setting thehysteresis, etc.Contents: 1 thermostat;2*screws;1 * manually.