Digital Food Service Thermometer Metal Detectable No Features 3 Temperature Display Data Hold/Test Function Low Battery Indicator Includes AAA Battery Flip Open Stand Wall Mounting Key Hole Maximum Temperature 70 Degrees C Minimum Temperature -50 Degrees C For Food Contact No Product Type Refrigerator/Freezer Thermometer Accuracy +/-0.5 Degrees C Application Refrigerator/Freezer Calibration Certificate NIST Display Type LCD NSF Certified No