Chaney Instrument Instant-Read Digital Spoon Thermometer - One-Hand Operation - 392F/200C Professional kitchen tool from Chaney Instrument Co., makers of precision measuring instruments Full-size stainless steel ladle and shaft with waterproof rubberized grip; NSF-certified Instantly reads & displays temperatures from -50 to 392F (-45 - 200C), push-button conversion Powered for months by single AA battery (included); auto-off feature extends battery life Must-have for candy, delicate sauces and roux, gravies, soups & stews; 15" length, hand wash