Govee Wi-Fi and Bluetooth thermometer/hygrometers can work with Alexa from $13

Govee WiFi Thermometer Hygrometer, Indoor Smart

7 Best Hygrometers (2024 Guide) - This Old House

GoveeLife Bluetooth Hygrometer Thermometer H5104 White - Govee

Govee Wi-Fi and Bluetooth thermometer/hygrometers can work with

Stay Connected Anywhere: With stable Wi-Fi and Bluetooth connection via Govee Home App, you can easily monitor temperature and humidity data in

Govee WiFi Thermometer Hygrometer H5103, Indoor Bluetooth Temperature Humidity Sensor with Electronic Ink Display, App Notification Alert, Free Data

Smart Features: The Govee Wireless Thermometer Hygrometer supports all basic functions as well as smart functions such as remote monitoring and temp humidity graphs. Our humidity meters are reliable and easy to use for homes, greenhouses and more. High Accuracy and Fast Refresh Time: With the Swiss-made smart hygrometer sensor, the temperature is accurate up to ±0.54°F while the humidity is ±3%RH, a 40% increase.

Govee Bluetooth Hygrometer Thermometer H5075

More Accurate: The GoveeLife thermometer/hygrometer has a Swiss-made sensor that can accurately detect ±0.54°F temperature changes and ±3% RH humidity fluctuations, with refresh as fast as 2s. Supports manual calibration of temperature and humidity. Smart Remote Monitoring: The wireless thermometer hygrometer supports up to 196ft Bluetooth range remote monitoring and temp humidity graphs, etc.

GoveeLife Bluetooth Hygrometer Thermometer H5104, 1 Pack / White

Smart WiFi Control: Easily monitor temp and humidity data in real time from anywhere. With stable WiFi and Bluetooth connection via the Govee Home app, you'll have more opportunities to react to changes in your air quality (not support 5G WiFi). Fast & Accurate: Equipped with a Swiss made sensor, this WiFi thermometer provides precise readings. Temperature is accurate to ±0.54°F/±0.3°C, and humidity is ±3%RH. By refreshing every 2s, you'll stay regularly updated.