Item Type: Soil Tester_x000D_Material: ABS_x000D_Measuring Range: EC: 0.01-20.00ms/cm_x000D_Humidity: 0.1%-99.9% (FDR technology)_x000D_Soil Temperature: -30-80, -22-176_x000D_Ambient Temperature: -30-80, -22-176_x000D_EC Calibration: Supports Two Point Calibration: 1413s/cm, 12.88ms/cm_x000D_Humidity Calibration: Cannot be calibrated (calibrated before leaving the factory)_x000D_Backlight: Support_x000D_Probe: Replaceable_x000D_Battery Level: Low battery warning_x000D_Protection Class: IP67_x000D_Battery Type: 3 x 1.5V 474mAh alkaline button battery LR44 (not included) 13 IN 1 FUNCTION: This soil tester function include EC, temp and humidity, with backlit digital display, the data can be clearly seen for you 2DETACHABLE REPLACEMENT: High accuracy detachable probe, electrode can be replaced, maintenance is more convenient. Temperature range from ?30?80, or ?22?176 3LONG SERVICE LIFE: Rust resistant, electrolysis resistant, acid and alkali corrosion resistance, ensure long term operation of the probe, suitable for various soil types 4SOIL 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 5WIDE APPLICATION: Tester is widely used in greenhouses, rice, vegetables, orchards, flowers, soil research, etc. 1 x Soil Detector 1 x User Manual 1 x Cylindrical Packaging