XIKAR PuroTemp Rectangular digital hygrometer has been designed for long term accuracy and minimal maintenance. They accurately display the relative humidity and temperature in your humidor. Min/Max feature displays lowest minimum and highest maximum humidity recorded over the life of the battery or until reset. Features: Accurate to +/- 2% at 70% humidity. Reads humidity in the range of 20% to 95%. Registers temperature in Fahrenheit and Celsius. Measures 2" H x 3.25" W x 0.375" D.

XIKAR Crystal 50 Humidifier is filled with a special hi-tech gel capable of absorbing 450 times its weight in fluid! When dry, the gel looks like sea salt. When fully charged, the gel looks like large chunks of gelatin. Works best when used with XIKAR Propylene Glycol solution, as other solutions may damage your humidifier. When used with XIKAR Propylene Glycol solution, crystal gel generates a constant humidity of 70%. XIKAR Crystal 50 Humidifier if for use with humidors that hold up to 50 cigars in a volume of 500 cubic inches. A steel and magnet attachment system keeps the humidifier firmly attached to your humidor lid. The Crystal Gel shrinks as it loses moisture telling you exactly when it's time to refill! *Please note that this product has changed and it now comes in dry form. To use, you must activate the crystals with PG solution (recommended) or distilled water.

Finally an accurate digital hygrometer with the look and feel of a classic analog hygrometer! Cigar Oasis and Western Humidor have combined the best of both worlds with this classic looking round hygrometer that contains the same sensor, circuitry and calibration as the Caliber IV digital hygrometer. Caliber digital hygrometers are known for their reliable accuracy, slim profile design and no hassle operation. The Caliber 4R Digital Round Hygrometer displays humidity and temperature, can record maximum and minimum readings and may be set to display in either Celsius or Fahrenheit. Diameter: 2.25 inches.