Analog Thermometer Metal Detectable No Case Material Plastic Features Degrees Fahrenheit and Celsius Monitor Refrigerator Temperature or Freezer Temperature Includes Adjustable Suction Cups Lens Material Glass Manufacturers Warranty Length 10 yr Maximum Temperature 80 Degrees F Minimum Temperature -40 Degrees F For Food Contact No Product Type Refrigerator/Freezer Thermometer Accuracy +/-2 Degrees F Application Refrigerator/Freezer Display Type Analog NSF Certified Yes