Thermometers are ideal for round-the-clock monitoring of semi-solids, air/gas, or liquids in incubators, refrigerators, freezers, water baths, and outdoor tanks. Useful in wet lab/plant areas and outdoors. Thermometers may be placed anywhere. Easy-to-view 6.4mm (1/4") high LCD digits can be read at a glance. LCD operates in environments above freezing. Probe with stainless steel sensor performs accurately when under water. Records highest and lowest temperature readings over any time period. Reading updates every second.