1. Required Tuya Zigbee Wireless Gateway Hub: Tuya Zigbee Wireless Hub (Asin: B08Kfbpj3N) To Connect Many Other Tuya Zigbee Smart Products And Realize The Whole Linking Of Your Smart Home Devices. Support App Remote Control Voice Control Via Alexa And Google Assistant After Successfully Connecting Your Valve To Tuya/Smart Life App. Note: Please Keep The Network Uninterrupted, When The System Is Updated, Do Not Delete The Device In The App.2Remote Control By Tuya Zigbee Wireless GatewayThe Tuya Zigbee Wireless Hub (Asin : B08Kfbpj3N) Is Necessary To Connect The Valve, Many Other Tuya Zigbee Smart Products And To Achieve The Complete Interconnection Of Your Smart Home Devices. Supports App Remote Control Via Your Smartphone, As Well As Your Hands-Free Voice Control Via Alexa And Google Assistant Once Your Valve Is Successfully Connected With Tuya/Smart Life App.3Design External Sensor For More Accurate MeasurementWorks Extremely Well With An External Sensor On The Valve Which Provides Accurate House Temperature Readings, Provides Much More Convenient And Smart Control Of Your Smart Lifestyle With Smart Control Over Smart Phones With Smart Life App Supported.4Programmable Schedule With Weekly Schedule SelectionSupport Manual Setting Of 5+2, 7 Days Weekly Schedule With 5 Periods Optional . Provide You With The Maximum Comfort For Different Situations And Configure The Personalized Schedule For Your Home Temperature. Vacation Mode, Auto Mode And Manual Mode Available For Convenience;5Voice & Remote Control For Tuya Zigbee Wireless GatewaySupport To App Remote Control By Smart Phone, Get Together With The Hands-Free Voice Control Via Alexa And Google Assistant After Successfully Connecting Your Valve To Tuya/Smart Life App On The Basis Of One Tuya Zigbee Wireless Gateway; Long Time Standby For This New Device With 1.5-Year Featured; Full 2 Years Warranty, Suit For All Smart Thermostat, 30 Days Refund Guarantee.-2