AquaTuff™ Waterproof Thermocouple, type K, digital, without probe, temp. range -100 to 999°F (-73 to 537°C), ±0.5°F (±0.3°C) over entire measurement range at ambient temperatures from 68°F to 86°F (20°C to 30°C) temperature accuracy, auto shut-off, LCD display, ABS plastic housing, 6-1/2" x 1-1/4" x 2-1/4" (165mm x 31.8mm x 57.1mm), (2) AAA batteries included, CE, RoHS, NIST, WEEE (Atkins)