Instant Notification Alerts: When any preset value of the smart hygrometer thermometer is exceeded, our app can push a notification alert to allow you to react in real time to changes in your reptile tanks, incubators, greenhouses, basements, wine cellars and more.More Accurate Readings: Thanks to a Swiss-made advanced sensor, temperature and humidity readings are accurate to 0.54F and +3%RH. Supported temperature Range: -4-140. And the WiFi thermometer monitors the environment reliably every 2 seconds.Have More Fun: The WiFi temperature humidity sensor works with other smart appliances for home automation. For example, pairing with the humidifier automatically adjusts the air humidity to a comfortable range without manual adjustment.Small, Durable and Portable: With the lanyard loop, you can easily place this room thermometer indoor anywhere. It's small enough to be stored in places where space is limited without disturbing your valuables.Data Storage: The smart thermometer provides daily/weekly/monthly filters for tracking temperature and humidity change. And the thermo-hygrometer support online viewing of 20-day data graphs and export of data recorded over the past 2 years.Remote Wi-Fi Monitoring: You can easily monitor temperature and humidity data and their variations in real-time, anytime, anywhere, with a stable 2.4Ghz Wi-Fi and Bluetooth connection via GoveeHome App. Supports widget function. (not support 5G WiFi).