Thermometer (1) Glass Bead Filled 30 mL Glass Bottle Probe NIST-Traceable -58 Degrees to 392 Degrees F/-50 Degrees to 200 Degrees C Application Freezers Incubators Ovens Refrigerators Alarm Type Max/Min Resolution 0.1 Degrees F/0.1 Degrees C Probe Type (1) Bottle AAA Battery Temperature Accuracy +/-0.5 Degrees C from -20 Degrees to 70 Degrees C +/-1 Degrees C from 70 Degrees to 120 Degrees C +/-2 Degrees C Otherwise Critical Environment Digital Thermometer