XIKAR PuroTemp Round Digital Hygrometer/Thermometer

The XIKAR PuroTemp Round Digital Hygrometer has been redesigned to ensure accuracy right out of the box and that means there's no need for calibration. XIKAR hygrometers are manufactured to the company's exact specifications for long term accuracy and minimal maintenance, accurately displaying the relative humidity and temperature in your humidor with a refresh rate of 15 seconds. XIKAR offers a lifetime guarantee on its products.
 
Product Dimensions: 2.28" W Tapering to 1.81" W on Backside x 0.66" D