Features 1、3 IN 1 FUNCTION: This soil tester function include EC, temp and humidity, with backlit digital display, the data can be clearly seen for you 2、DETACHABLE REPLACEMENT: High accuracy detachable probe, electrode can be replaced, maintenance is more convenient. Temperature range from ‑30℃‑80℃, or ‑22℉‑176℉ 3、LONG SERVICE LIFE: Rust resistant, electrolysis resistant, acid and alkali corrosion resistance, ensure long term operation of the probe, suitable for various soil types 4、SOIL MOISTURE DETECTION: The growth of plants depends on soil moisture nutrients, which can be measured at any time to observe whether the water is sufficient 5、WIDE APPLICATION: Tester is widely used in greenhouses, rice, vegetables, orchards, flowers, soil research, etc. Specification Item Type: Soil Tester Material: ABS Measuring Range: EC: 0.01-20.00ms/cm Humidity: 0.1%-99.9% (FDR technology) Soil Temperature: -30℃-80℃, -22℉-176℉ Ambient Temperature: -30℃-80℃, -22℉-176℉ EC Calibration: Supports Two Point Calibration: 1413μs/cm, 12.88ms/cm Humidity Calibration: Cannot be calibrated (calibrated before leaving the factory) Backlight: Support Probe: Replaceable Battery Level: Low battery warning Protection Class: IP67 Battery Type: 3 x 1.5V 474mAh alkaline button battery LR44 (not included) Package List 1 x Soil Detector 1 x User Manual 1 x Cylindrical Packaging