DeltaTrak 11050 FlashCheck Waterproof Lollipop Min/Max Auto-Cal Thermometer C/F selectable. Min/Max reading memory Can be auto calibrated, NSF Certified Probe cover with pocket clip on back Waterproof housing. Continuous min/max temperature recording until thermometer shuts off or resets Thermometers small-diameter probe ideal for measuring temperature of "thin mass" food such as meat patties and chicken/fish fillets (FDA Food Code 4-302.12(B))