Pro Accurate infrared thermocouple probe thermometer by CDN has dual function with infrared for non-contact surface temperatures and thermocouple probe for internal temperatures. Features a 4.5 inch stainless steel probe with minimum, maximum, and lock modes for scanning multiple targets over time. Temperature ranges: Infrared: -67 to +482°F; Thermocouple: -67 to +626°F. Includes 2 AAA batteries.