Digital Food Service Thermometer Metal Detectable No Case Material Plastic Color Blue Features 1 sec Updates Anti Microbial Case On/Off Switch Waterproof Includes 1.5V Battery Maximum Temperature 450 Degrees F Minimum Temperature -40 Degrees F Overall Diameter 1 1/2 mm For Food Contact Yes Dial Size 1 1/2 in Product Type Stem Thermometer Application Food Safety Overall Length 6 in Display Type LCD NSF Certified Yes