Digital hygrometer thermometer: With the mini digital thermometer, you can easily determine the ambient temperature and humidity in your environment. Temperature measurement range: -10~70. Accuracy of temperature measurement: 1 Measurement conditions are updated every 10 seconds. (There may be 1/% difference between two thermometers, but it is normal.) Easy to Read and Use: Hydrometer works straight from the box without complicated function keys. The beautiful white front panel features a clear LCD display with large, bold digits that you can easily read even from a longer distance. The indoor moisture meter can be placed anywhere in the house or carried outside, powered by a CR2032 battery (included), giving you more powerful battery life. Wide application: The thermo-hygrometer is small and light and has a wide range of applications. It is widely used in living rooms, greenhouses, instrument rooms, children's rooms, baby rooms, warehouses, cellars, cellars, cellars, etc. Humidity Comfort Indicator: The thermometer inside shows the humidity status of the room with three symbols. A smiling face is suitable for comfort, a neutral face for humidity and a sad face for dryness. Make the moisture content and temperature inside clearer.