Power by button batteries, this device automatically shuts off when not in use, making it a efficient addition to your toolkit soil temperature measurements with our Soil Temperature Tester, featuring temperature calibration for accurate readings in any environment Perfect for farmland soil testing, greenhouse plant, laboratory research, and environment assessments, providing essential data Crafted from ABS, this multipurpose probe meter boasts a high precisions, rustproof, and detachable probe, ensuring across various soil types Ideal for agricultural growers, gardening enthusiasts, researcher, and environmental professional seek soil analysis tool, Manufacturer: Whoasyst