Functionality is yours with this 12-Inch Thermometer with Hygrometer. This dual instrument features a durable molded plastic case in a neutral gray finish. The round white face has large, easy-to-read numerals in various colors. The main dial measures temperature from -60 to 130 degrees Fahrenheit, while the smaller inset hygrometer dial measures relative humidity in the air from 0 to 100. This instrument features a durable polystyrene lens and is weather-resistant, making it ideal for use indoors or out. About Chaney Headquartered in bucolic Lake Geneva, Wisconsin, for 60 years strong Chaney Instruments has delivered technical innovation, excellent customer service, and corporate integrity with their line of precision temperature and time products