These handheld digital thermometers are designed to provide precise temperature readings in compost and soil applications. A waterproof case has an easy-to-read 3.5-digit display and a 500-hour battery life, and useful functions include a Hi/ Low button, a hold button, and a switch between Celsius and Fahrenheit. These thermometers are accurate to 0.3 percent full scale and use a stainless steel Fast Response digital probe.
