Window opening function - Stop heating when unclosed doors and windows are detected to save energy WIFI Function - The thermostat can be connected to Tuya and Smart Life App, allowing you to control your thermostat no matter where you are. Voice control - Work with for Google Home, Alexa, and Alice. Programming function - You can set the temperature for 6 time periods every workday according to your lifestyle habits. Antifreeze function - After the antifreeze function is turned on, the power off display screen can also display the temperature of the room, allowing you to know the temperature at any time to prevent indoor equipment from being by freezing. Brightness adjustment - 4 levels of brightness can be adjusted, which can completely turn off the screen at night, giving you a comfortable sleeping environment. Support Tuya APP or Smart Life APP control - You can Change temperature or other settings with tuya APP ,even when you are away from home. Can Adjust the Backlight by APP - Backlight can be adjust and turn off, to avoid disturbing sleep;Have High/Middle/Low Option mode. Type:WiFi Smart Thermostat for Eletric floor heating /Water Heating/Gas Boiler APP:Smart Life/Tuya Smart Voice Control:for Amazon Alexa,Google Home,Yandex Alice etc Temperature Sensor:NTC Voltage:100-240V AC,50/60HZ Max. Current Load:16A/3A Temperature Accuracy:+-0.5℃ Self-Consumption Power:Less than 1W Display Range:5℃-95℃ Colour:White Material:ABS Package Contents: 1 set * thermostat switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.