Oasis OH-2+ Hygrometer for Case

Oasis OH+-2 Hygrometer for Case, Hygrometer for Guitar Case, Improved digital hygrometer with new sensor, Retaining clip for placement inside the case of your instrument, Recalibration of the hygrometer possible, Measures maximum and minimum temperatures, Relative humidity between ...Oasis OH+-2 Hygrometer for Case, Hygrometer for Guitar Case, Improved digital hygrometer with new sensor, Retaining clip for placement inside the case of your instrument, Recalibration of the hygrometer possible, Measures maximum and minimum temperatures, Relative humidity between (+/- 3%) 20%-90% and temperature from 0-50 degrees Celsius or 32-122 degrees Fahrenheit +/-1%, Update interval: 10 seconds, Includes 2032 3 V battery