3.0V 4.5V TUYA Switch WIFI Temperature Controller Termostat Zigbee for Thermostatic Valve Low Power-Consunming Module - AliExpress
Amazon.com: PNI Smart Thermostat CT400 Wireless, with WiFi, 2 Zone Control via Internet, for Central Heating, Pumps, Solenoid valves, APP TuyaSmart, Hysteresis 0.2 Degrees C, White, : Home & Kitchen
Temtop M10i WiFi Air Quality Monitor for AQI PM2.5 HCHO AQI – Elitech Technology, Inc.