The Cooper-Atkins Digital Pocket Test Thermometer is a pen-style, NSF certified digital thermometer with a 10 minute automatic shut-off. It is designed with and ABS plastic housing material with anti-microbial additive to avoid bacteria growth and a reduced stainless steel tip for a quick response time. It is able to measure a temperature range from -40 to 392F (-40 to 200C). The thermometer has a waterproof rating of IPX7. Dimensions with sheath 6 x 3/4-Inches by 5/8-Inches. Since Its establishment in 1885, Cooper-Atkins has built a solid reputation as a leading manufacturer of environmental and innovative food safety solutions. A trusted resource for reliable, high-quality instruments and expert advice they continue to meet the needs of their customers, by not only remaining focused on the education and promotion of important industry issues, but by their dedication to providing the highest level of exceptional customer service and satisfaction.