Digital Thermometer - Hygromter with 6ft Wet/Dry Temperature Probe In/out switch toggles between internal and external temperature sensor Ideal for food & wine storage, fish tanks and terrariums, plantlife, greenhouses, restaurants, bars, pantries, kitchens, cigar storage and more! Wet dry temperature probe is great for reading outdoor or fluid temperatures. Digital LCD screen is easy to read Min/max audible alarm for temperature and freeze alerts.