Round Hygrometer for Cigar Humidor/Cigar Box/Cigar Cabinet.
2 inch Diameter.
Accuracy: humidity sensor maintains accuracy of +/- 0.5%.
Scope Of Application: home, handicraft inlay, cigar box / cabinet.
Material: aluminum outer ring, plastic lens, metal bottom case.
Notice: Even though hygrometers have been calibrated before being sent, it is recommended that you do the calibration before using it in case of inaccuracy.