Rubbermaid Commercial Refrigerator/Freezer Thermometers - Large Display, Shatter Proof Lens, Dual Dial - For Refrigerator/Freezer - Chrome

Thermometer helps monitor the temperatures in your refrigerator or freezer. It is easy to install. Simply hang or set on a shelf. Clearly marked dial is easy to read. It includes both Fahrenheit and Celsius graduations. Thermometer ranges from negative 20 to 80 degrees Fahrenheit (negative 28.9 to 26.7 degrees Celsius).