Taylor 3519 TruTemp Compact Digital Thermometer Pen Style. Simply press the on/off switch, select Fahrenheit or Celsius and insert the stainless steel probe at least one inch into the food being tested.  The thermometer provides a fast response time, with one second display updates. A hold button allows you extra time to view the display. Includes battery, a built-in carrying clip and probe cover. Features: Compact pen-style thermometer, Large LCD display, On/Off switch and Hold Feature, Stainless steel stem, Fast instant read response time & one second display updates, Auto shut-off after 10 minutes if no change in temperature, Range: -40 to 450 degrees Fahrenheit (-40 to 230 degrees Celsius),  1 year manufacturer warranty. Item Weight ‎1.76 ounces Package Dimensions ‎8.46 x 4.88 x 0.87 inches