Digital Food Service Thermometer, Metal Detectable No, Case Material Plastic, Digit Size 7/8 in, Features Audible Alarm, Includes AAA Battery, Certificate, 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