Taylor Precision Products Classic Series Large Dial Thermometer (Freezer/Refrigerator And Oven) The extra-large, 3 1/4-inch dial features a glass lens and red pointer making it easy to read. This freezer/refrigerator thermometer has a range of -20degrees Fahrenheit to 80 degrees Fahrenheit. The Oven temperature ranges from 100 degrees to 600 degrees Fahrenheit. Stainless-steel construction provides strength, durability, and corrosion resistance. This unique design can be hung from a rack or stand on it's own.