Digital Thermometer, (2) Glycol Filled 15 mL Glass Bottle Probes, 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 (2) 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