The Caliber II is such an incredible instrument that we had the factory produce a new batch just for us! You will not find these anywhere else, and once we sell through, we may never have these again! The instrument measures humidity and temperature, records highs and lows and displays temperature results in Fahrenheit or Celsius with incredible accuracy. With a manufacturer's warranty of 5 years, you know you are buying quality! This sleek hygrometer measures 15% - 95% RH (relative humidity) with an accuracy of +/- 1% ! The strong magnet included affixes easily to any surface or can be used as easel with built in hidden leg. Long lasting batteries are factory fresh ensuring long service, button cell battery is easily replaceable too.

Dimensions: 3.5 X 2.25" and less than one fourth of an inch thick.