tado Smart Thermostat X Add on as Wired Room Thermostat, Heating Control via App & Speaker (Alexa, Siri, Google Assistant), DIY Installation, Not Compatible with V3+

SAVES ENERGY AND HEATING COSTS: With the intelligent heater thermostat X from tado, the expert for smart heating, users save 22 percent energy on average ( with extra battery set) – the more rooms you control, the more you save EASY DIY INSTALLATION, EVEN OFFLINE: The smart thermostat is suitable for gas boilers that support OpenTherm and relay control, heat pumps and water-fed underfloor heating with a wired thermostat CONTROL VIA APP: The thermostat has numerous features for your heating system, such as smart scheduling, temperature control via the app and much more FOR YOUR SMART HOME As well as adjustment directly on the thermostat, you can set the individual temperature in each room very simply using the app or a smart speaker such as Amazon Alexa, Google Assistant or Apple Siri EASY TO USE: The thermostat is operated intuitively via the display FUTURE-PROOF TECHNOLOGY: Matter allows different smart home appliances to communicate with each other, while Thread ensures a stable network – this requires the Bridge X (not included) or another Thread border router MAXIMISE SAVINGS WITH AI: With ‘AI Assist’, you save up to 55% more energy thanks to automations such as Geofencing, Open Window Detection, Holiday Mode, insights into energy costs, and much more Important to know: tado X products are not compatible with tado V3+ or older, Manufacturer: tado°