Digital Thermometer (1) Glycol Filled 15 mL Glass Bottle Probe Multi-Point Calibration -58 Degrees to 158 Degrees F/-50 Degrees to 70 Degrees C Application Freezers Incubators Refrigerators Water Baths Alarm Type Max/Min Resolution 0.1 Degrees F/0.1 Degrees C Probe Type (1) Bottle (2) AAA Batteries Temperature Accuracy +/-0.5 Degrees C at -30 Degrees to 50 Degrees C Otherwise +/-1 Degrees C Critical Environment Digital Thermometer