Excellante Pocket Thermometer, 50~550 Degrees Fahrenheit, Box Made out of stainless steel for durability and easy maintenance Comes complete with a plastic storage case, and pocket clip This thermometer can measure from 50 degree farenheit up to 550 degree farenheit Pocket thermometer is easy to clean and is National Sanitation Federation (NSF) approved Please note that this pocket thermometers is not intened for oven use