Perfect jumbo digit thermometer for monitoring freezers, water baths, heating blocks, incubators, and refrigerators. Accurately monitors temperatures with its enclosed temperature-buffered sensor. Bottle insulates sensor from rapid temperature changes when refrigerator door is opened. Triple-display simultaneously shows maximum, minimum, and current probe temperatures plus room temperature. Min/max monitors high/low readings overnight, on weekends, or for any time period?a significant advantage over current reading-only glass thermometers. Range is ?58 to 158°F and ?50 to 70°C with a resolution of 0.1° and accuracy of ±1°C.