Easy to Use 6 Quick installation methods make this bluetooth thermometer usable anywhere, accurately monitoring the temperature and humidity of your wine cellar, garden, baby's room and office. SwitchBot thermometer plus offers a large 3-inch display, allowing you to easily read data throughout the day, including temperature, humidity and environmental comfort. At a glance!Fast Response & More Accurate Data The Thermo-Hygrometer Plus features Swiss-made sensor to provide accurate and reliable data monitoring. The thermometer offers a temperature accuracy of ±0.2°C/±0.4°F in a temperature of 0°C~65°C and a humidity accuracy of ±2%RH in a humidity of 10~90% RH. Refreshes every 4 seconds to keep you informed of data changes.Remote Monitoring Up to 120m The Bluetooth function of SwitchBot thermometer hygrometer allows you to remotely monitor temperature and humidity on the SwitchBot APP within 120m(No obstacles). As soon as the temperature or humidity goes out of the preset range, you will be notified with an alert to keep you informed of changes in the environmental climate.Data Storage SwitchBot indoor thermometer plus has 68 days on-board data storage. You can view recent temperature and humidity records. The graphical curve display gives you a clear trail of data changes. Data can also be exported as a .csv file for analysis.Unlock More with Hub Mini This room thermometer can be connected to WiFi by using it with the SwitchBot hub mini (sold separately), which unlocks more functions. For example, get the temperature/humidity data with Alexa's voice commands and get unlimited storage. In this case, it can also be combined with other SwitchBot smart devices to give you more convenience in life.