The Taylor Connoisseur Turbo Read Digital Thermometer has thermocouple technology, which provides speedy response time, accuracy, and wide temperature ranges (from -40 degrees F to 572 degrees F). It has the thinnest thermometer tip available, at just 1.5mm, and a 4" stainless steel probe that folds into the thermometer casing for storage. Ultra fast response -- as quick as 6 seconds, with 1/2 second updates, a hold feature, and an auto off features to conserve battery life. Easy-to-read LCD readout. Recalibratable. 2 AAA batteries included. NSF listed.