Clear Accurate- Easy to read 2 Inch wide dial compost thermometer with color-coded temperature ranges. 40F to 180F Temperature Scale, (10 to 76) in 2 F increments for accurate readings. No battery required, automatically measure soil temperature 2 inches below surface.Waterproof and Sealed- Durable thermometer compost, lightweight PC-coated frame, dial is hermetically sealed and waterproof to avoid moisture ingress and fogging, easy to read numbers and clear temperature zones. The Soil Testing Thermometer can be working in the compost pile overnight.Long Sturdy Stem- The backyard thermometer compost with 20-inch long , 3/16 inch diameter durable stem, makes it easy to get to the center of the compost for an accurate reading. Perfect for larger backyard compost piles, Seeding, Transplanting and Gardening. Temperature is read from the tip, and takes about 30 seconds.Digital Composting Temperature Guide- Compost Soil Thermometer with 3 temperature zones that indicate Compost Activity - Steady, Active and Hot. It's easy to insert into the compost pile, makes composting so much easier!Durable Material- This Soil & Compost Thermometer is made of 304 rustproof stainless steel and reinforced connection between dial and stem for long-lasting use.