Take the guesswork out of keeping your cigars at the perfect humidity and temperature with this Cigar Oasis Western Humidor Caliber 4R digital hygrometer and thermometer. This silver round hygrometer is the leader when it comes to digital hygrometers! It maintains the same accurate sensor and the advanced functionality of the Caliber line and has gained a reputation for its reliable accuracy and stress free performance. Calibration adjustments are made easy with a push of a button and the advanced humidity sensor maintains accuracy to +/-1 percent at 70 percent Relative Humidity (RH) and is color coded for easier use. This hygrometer makes a great gift for the budding cigar aficionado.