This Wi-Fi thermostat has a 5+2/6+1 programming function that allows you to make up to 6 different temperature settings for each day of the week and an additional setting for the weekend. Manual and automatic mode: in manual and automatic mode, you can set the temperature of the wall thermostat to the desired level and save on energy costs. Smart voice control is compatible with Amazon and Google Home. Network APP: Turn on 2.4G and BT Wi-Fi, scan the QR code to download and install the "Smart Life" app. Open the app, find the device you want to add, click "Add", then enter the password and after the login is completed, you can use it. Multifunctional. It also has child safety function and temperature drop protection function. Smart digital thermostats are used to control heating materials in electric heating systems or valves of water heating systems. NTC Temperature Sensor: With AC voltage of 100-250V and adjustment range of 5-70, the smart thermostat is suitable for a variety of homes. It is equipped with a NTC temperature sensor that provides accurate temperature values and ensures precise temperature control.