Fridge/Freezer Digital Thermometer, (1) Bottle Probe, NIST-Traceable, -58 Degrees to 158 Degrees F/-50 Degrees to 70 Degrees C, Application Freezer, Alarm Type Light-up Alarm Bar, Resolution 1 Degrees F/1 Degrees C, Probe Type Bottle, AA Battery, Temperature Accuracy +/-1 Degrees C, Digital Thermometer