This digital hygrometer features a calibration function to adjust displayed humidity values. Shows both humidity and temperature, the clear digital display provides accurate information for Cigar aficionados to their smokes in their desired humidification. Order is for 2 Units | Color: Gold Front Diameter: 1.875 | Rear Diameter: 1.81 | Thickness: 0.5 Clear Digital Display | Shows both Humidity & Temperature | Built-in Calibration Feature Reliable & Precise with +/- 1% Color Gold Brand Name Prestige Import Group Unit Count 2.0 Count Part Number HYDIG300/G-2PK Manufacturer Prestige Import Group Mounting Type Tabletop Battery Description No batteries required Temperature Accuracy 0.2°C Item Dimensions W x H 1.88 W x 1.88 H Upper Temperature Range 70 Degrees Celsius