Taylor Precision Products Digital Refrigerator/Freezer Thermometer Compact and accurate, this refrigerator/freezer thermometer provides crucial temperature readings for food safety applications. Press the Degree Celsius and Degree Fahrenheit on the back of the thermometer to switch between Celsius and Fahrenheit An easy-to-read LCD screen provides quick, at-a-glance measurements. The thermometer is programmed to measure temperatures from -4- to 140-degrees Fahrenheit. Attach to any surface with the built-in stand, clip or magnets. This thermometer is powered by one (1) lithium battery for long life.