Waterproof Thermometer, Metal Detectable No, Case Material Stainless Steel, Digit Size 3/8 in, Includes Silver-Oxide Battery, Manufacturers Warranty Length 1 yr, Maximum Temperature 85 Degrees C, Minimum Temperature -20 Degrees C, Overall Diameter 1 3/4 in, For Food Contact No, Dial Size 1 3/4 in, Product Type Dishwasher Thermometer, Accuracy +/-1 Degrees C, Application Food Safety, Calibration Certificate Traceable(R), Overall Length 5 in, Display Type LCD, NSF Certified No