Digital Thermometer with Calibration Bullet Probe NIST-Traceable Calibration -58 to 140 Degrees F -50 to 60 Degrees C Application Hoods Incubators Refrigerators/Freezers Submerged in a Bath Vaccine Storage Alarm Type None Resolution 0.1 Degrees F Probe Type Bullet 3V CR2032 Battery Temperature Accuracy +/-0.5 Degrees C from -20 to 60 Degrees C +/-1 Degrees C Bottle Probe Digital with Calibration