Fangrui Product Details Features And Functions: Lcd Digital Display, Select Temperature Setting Freely, Easy For Use. - Wifi Connection, Can Be Controlled By Tuya/smart Life App From Anywhere. Smart Voice Control, Work With For Google Home And Alexa And Alice. Wireless Control, No Need To Connect Directly To The Boiler. 5+2/6+1/7 Days Week Program Function For Choice. (for Example, 5 In The 5 + 2 Mode Represents Monday To Friday, And You Can Set 6 Time Periods; 2 Stands For Saturday And Sunday. You Can Set 2 Time Periods. Please Note That It Cant Program Daily.) Manual Mode And Auto Mode Selectable.with Child Lock Function, Prevent Children From Accidentally Touching.anti-freeze Function, Prevent Loss Caused By Low Temperature.power Memory Function, Save The Settings After Power Off. Rf Wireless Thermostat For Gas Boiler Battery Control Programmable Wifi Thermostat Work With For Google Home Alexa Alice Smart Home Wireless Room Digital Thermostat Wifi Battery Tuya Thermostat Programmable For Gas Boiler Floor Heating Rf Temperat