Digital Thermometer, (1) Glycol Filled 15 mL Bottle Probe, Multi-Point Calibration, -58 Degrees to 158 Degrees F/-50 Degrees to 70 Degrees C, Application Freezers, Heating Blocks, Incubators, Refrigerators, Water Baths, Alarm Type Max/Min, Resolution 0.1 Degrees F/0.1 Degrees C, Probe Type (1) Bottle, AAA Battery, Temperature Accuracy +/-1 Degrees C, Critical Environment Digital Thermometer