Extech 445713 Digit Indoor-Outdoor Hygro-Thermometer has multiple displays for temp and humidity. This tool has Max/Min and a clear function. The ranges on this meter are: Humidity: 10 to 99% RH; Temperature: 14 to 140 degrees Fahrenheit or -10 to 60degrees Celsius, and Accuracy: 5% RH; 1.8 degrees Fahrenheit, 1 degree Celsius.