The Thermor, National Geographic digital indoor hygrometer measures relative humidity and temperature with the BIOS Color Comfort Scale indicating the ideal level of humidity for human health and the health of your home.

Product Features

  • Indoor hygrometer displays relative humidity and temperature.
  • Features BIOS Color Comfort Scale indicating the ideal levels of humidity for human health and the health of your home.
  • Measures indoor temp. from -58?F to 158?F (?F/?C switchable)
  • Standing Display
  • Min./Max. memory

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