NSF certified pocket sized stem thermometer with 4.75" (121mm) stainless steel probe. REED R2000 Offers This Stainless Steel Digital Stem Thermometer features an easy-to-read LCD display, which updates automatically every 2 seconds. The R2000 contact thermometer is capable of measuring -40 to 450°F (-40 to 230°C) and includes an easily accessible calibration screw for quick adjustments. Features Stainless steel 4.75" (121 mm) stem Water-resistant construction NSF certified Easy-to-read LCD display User selectable °C, °F Calibration screw for quick adjustments Auto shut off Included Digital Stem Thermometer Protective Probe Cover Battery