The Taylor Thermometer Hygrometer 9 inch features large easy to read numbers that make it simple to monitor temperature and humidity levels at a glance. It measures temperature within a range of minus 40 to 120 degrees Fahrenheit and minus 40 to 50 degrees Celsius while the humidity scale measures from 10 to 100 percent relative humidity. Designed for convenient placement it includes a built in hanger for easy mounting making it ideal for use in homes greenhouses barns or other environments where accurate climate monitoring is important.