XIKAR PuroTemp™ Hygrometers have been redesigned to ensure accuracy right out of the box, without having to calibrate. You now have more time to spend enjoying your cigars, not caring for them! XIKAR hygrometers are manufactured to our exact specifications for long term accuracy and minimal maintenance. They accurately display the relative humidity and temperature in your humidor. 
 
· No calibration needed, guaranteed accuracy of +/- 2% RH right out of the box
· Read humidity in the range of 20% to 95%
· Register temperature in Fahrenheit and Celsius
· Temperature Range: 32 — 120 °F or 0 -50 °C
· Updated design with brushed aluminum for a more modern look and feel
· Measures 1.85" W x 0.5" D
· Refresh rate: 10 seconds
· Button Cell Battery: LR1130
· Accuracy (Temp): +/- 1 degree
· Magnetic attachment