Accurate measurement and quick update: the combination thermometer and hygrometer provides a temperature measurement result between -50C to 70C, which is available in C or F. The measuring range of humidity is between 10% to 99%. The readings are automatically updated every 10 seconds thanks to the built-in sensitive sensorsInnovative room climate indicator: the humidity meter shows the current humidity and temperature in adorable symbols: dry, comfort, wet. If the room climate is too damp or too dry, the smiley is unhappy, so you can easily inform yourself about action needs for room climate controlHealthier Home: Thermometer hygrometer with temperature and humidity monitor ensures proper indoor humidity control has important skin, allergen and other health benefitsSmart Design: Room thermometer indoor features tabletop and magnet mountable design; Celsius or Fahrenheit selector; Powered by AAA batteryUniversal use: an ideal indoor climate has a positive effect on our well-being and health. Thanks to its compact design and any assembly, the room thermometer can find its place in any room - practical for climate monitoring at home or in the office