Le Cordon Bleu Pro-Temp Commercial Thermometer Recommended by Chefs of Le Cordon Bleu Commercial Grade Thermometer with NSF approval; guaranteed preformance and accuracy to NIST standards Type K thermocouple with integral stainless prcision micro tip probe; plastic housing Water resistant to IP44; temperature range from -40F to 450F; shock proof; auto on/off, large LCD read-out Probe: 5 inches; dimensions closed: 7-2/5-inch by 2-1/5-inch by 2/3-inch