• 20-inch long rod made of stainless steel for accurate compost temperature reading. • 2.5-inch hermetically sealed dial to prevent fogging and facilitate reading. • Water-resistant design allows the thermometer to be left in the compost pile overnight. • Ideal for monitoring your compost temperature and ensuring optimal composting conditions. • Includes a beginner's digital composting guide with expert instructions. • Equipped with an adjustable calibration screw for greater accuracy. • 5/16" diameter and 20" length stem to reach the center of large piles.