Fangrui Product Details 1. Description: 2. This Devices The Main Function Is To Save Energy,save Natural Gas 3. Ordinary Radiator Valve Can Only Keep The Temperature Constant. 4. Cannot Be Adjusted According To The Environment And Time 5. But This One Is Different 6. Via Tuya Smart Or Smart Life App, 7. It Supports Setting Different Temperatures At Various Times Of The Day. 8. E.g: 9. Set 24 Degrees Celsius When You Are At Home; 10. Set The Period Of Going Out To Work At 15 Degrees Celsius; 11. Each Day Six Periods. 12. Weekly Programming Settings Can Be Set For 5 2, 6 1, 7 Days 13. Rational Use Of Gas, Saving Money And Energy 14. It Also Has The Ability To Detect Whether The Window Is Closed Or Not. 15. If The Temperature Is Lost Too Quickly, 16. Determines The Open State Of The Window. 17. It Will Adjust Itself To The Right Temperature. 18. It Can Not Only Reduce Gas Waste, But Also Protect Equipment From Freezing. 19. Control Way 20. Manually Control 21. App Controltuya Smart Or Smart Life App 22. Voice Controlalexa/google/yandex Alice Voice Assistant 23. Control Temperature From Wherever 24. Note 25. A Tuya Zigbee Wireless Gateway Hub Is A Must 26. It Is Equipped With Compatible Connectors.