You know how important proper temperature and humidity are to the preservation of a cigar. Now, thanks to the miracle of space-age micro circuitry, you have the opportunity to constantly monitor the performance of your humidor. The thinnest hygrometer on the market allows you to slip it into your humidor to make sure that the optimum temperature of 68-70° F and 65-70% RH are constantly maintained. Don’t let your valuable cigars be destroyed by the elements.