Mechanical Food Service Thermometer Metal Detectable Yes Case Material Metal Plastic Features Features Easy-To-Read Dial Hangs or Stands for Easy Installation Reads Both Fahrenheit and Celsius Manufacturers Warranty Length 1 yr Maximum Temperature 80 Degrees F Minimum Temperature -20 Degrees F For Food Contact No Dial Size 2 in Product Type Refrigerator/Freezer Thermometer Application Refrigerator/Freezer Display Type Analog NSF Certified Yes