The Rubbermaid Commercial Products Stainless Steel Oven Thermometer displays true oven temperature to help ensure safe and correct food preparation. The thermometer is made of stainless steel. It is NSF-approved and its large, easy-to-read dial shows clearly marked temperatures, perfect for professional and home kitchens, traditonal ovens, toaster ovens, grills, smokers or any heat based food appliance. The battery free design reads instantly and without the need for battery power so it can be standing or hanging. There is an extreme temperature range that reads between 60° to 580° degrees Fahrenheit. Reads both Fahrenheit and Celsius. It hangs or stands for easy installation and has a lens that will not shatter. It measures 2 inches long by 4.55 inches wide 0.15 pounds.