Xikar Digital Hygrometer - Round

Xikar Digital Hygrometer - Round - Round Hygrometer Features: 1. 75 diameter round This is important because it fits in the same hole as every old analog in nearly every humidor made Accurate to +/- 2% at 70% humidity Registers temperature in Fahrenheit and Celsius One step calibration button. Push and hold for 5 seconds and unit self-calibrates.