Humidification: Brigham Round Digital Hygrometer
Product Number: 001-317-0175
Brigham's Round Digital Hygrometer will accurately measure the Relative Humidity (RH) in your humidor to within +/- 2 degrees at 70%, and the temperature to within +/- 1 degree C/F. Instructions and batteries included.
Measurements: Diameter - 1.85"/47mm Height - 0.70"/17mm