Western Humidor has always been known as the maker of the most accurate hygrometers in the cigar industry and beyond. Western Humidor is original designer of the digital hygrometer for the cigar industry. The famed Caliber III is now the Caliber IV. It has been updated with an easy re-calibration option and new packaging but the same reliable performance. Slim profile design, Humidity & temperature readings & Fahrenheit/Celsius switchable. Comes pre-calibrated out of the box. Gauges between 20-90% Relative humidity (RH) Dimensions: Length: 4” Width: 1.3” Depth: 0.4” Battery Included

PRODUCT FEATURES

• Advanced humidity sensor maintains accuracy to +/- 1%
• Pre-calibrated out of the box + User recalibrate-able
• Three day high/low & averages for humidity & temperature
• Secure magnetic mount
• Battery included