The Extech 39272 is a Pocket Fold up Thermometer with Adjustable Probe. This Pocket Foldup Thermometer has a 4.5 in. stainless steel probe that adjusts at detents in 4 positions (45, 90, 135, and 180 Degrees). It measures temperature to 572 Degrees F (-50 to 300°C) with 1.8 Degree Fahrenheit accuracy. Features Data Hold, Min/Max and Auto power off.