Taylor Precision Products Classic Series Large Dial Thermometer (Freezer/Refrigerator) - Set of 2 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. Colorful blue and yellow graphics with safe temperature zone indicators ensure your food is kept at the proper temperature range. The durable, stainless-steel casing provides strength and corrosion resistance. This unique design has the ability to either hang from a shelf or stand on its own.