Digital Food Service Thermometer Metal Detectable No Digit Size 13/16 in Includes Li-Ion Battery Manufacturers Warranty Length Limited Warranty Maximum Temperature 140 Degrees F Minimum Temperature -4 Degrees F For Food Contact No Product Type Refrigerator/Freezer Thermometer Accuracy +/-0.1 Degrees C +/-0.1 Degrees F Application Refrigerator/Freezer Overall Length 4 3/8 in Display Type LCD NSF Certified No