Features: \n\n--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 sensors\n--Innovative 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 control\n--Healthier Home: Thermometer hygrometer with temperature and humidity monitor ensures proper indoor humidity control has important skin, allergen and other health benefits\n--Smart Design: Room thermometer indoor features tabletop and magnet mountable design; Celsius or Fahrenheit selector; Powered by AAA battery\n--Universal use: an ideal indoor climate has a posite