Find your comfort zone! Light, strong and durable, this comfortmeter monitors both temperature and humidity on an ample size dial showing conditions that are ideally "comfortable.". It is designed to indicate optimum comfort conditions when both hands cross in a limited area of the dial known as the "comfort" zone. The thermometer, displayed on the left side of the dial, displays the temperature in both Fahrenheit and Celsius while the hygrometer on the right shows shows the percentage of relative humidity.Dimensions: Dial 4 7/8"; Base 6"; Depth 1 5/8"Materials: Maintenance-free finish with ultra-hard protective coatingGuaranteed not to tarnish or scratchO-ring seated behind glass for weatherproof constructionBeveled crystal glassLifetime warranty on finish and movement