Product review (5 stars): Took them out of the package and placed in the humidors and they worked great. Checked them with a more expensive hygrometer and ...
I bought two for a couple of my cigar humidors. Took them out of the package and placed in the humidors and they worked great. Checked them with a more expensive hygrometer and they were right on. They are small so they do not take up much space. Love them.