1、It is less affected by the salt content of the soil, accurate in measurement and sensitive in response. It is suitable for all kinds of soil. 2、It is mainly used for the measurement of soil temperature and moisture. 3、It is equipped with high-precision sensor, which has quick response and stable output. 4、Made of high quality ABS material, it can be buried in the soil for a long time, resistant to long-term electrolysis, corrosion, vacuum filling and sealing, completely waterproof. 5、The analog output can be current type or voltage type, and the wiring can be three wire system. 6、It can be widely used in scientific experiments, water-saving irrigation, greenhouse, soil rapid measurement, plant culture, sewage treatment, grain storage and measurement of moisture content and temperature of various particles. Condition: 100% Brand New Item Type: Soil Moisture Sensor Material: ABS, 316 Stainless Steel Power Supply: 12-24V DC Moisture Measurement Range: 0-100% Storage Environment: -45℃-115℃ Moisture Accuracy: ± 3% (In Range of 0 - 53% ) / ± 5% (In Range of 53 - 100%) Response Time: <1s Temperature Measurement Range: -45℃-115℃ Temperature Accuracy: ±0.5℃ Installation Method: All buried or all probes inserted into the measured medium Protection Level: IP68 Power Consumption: <0.15W Working Pressure Range: 0.9-1.1atm Weight: Approx. 197g / 6.9oz Size: Length: Approx. 13.8cm / 5.4in Thickness: Approx. 1.5cm / 0.6in Wiring: Cable Color Description Power Supply Brown Power Supply Positive (12-24V DC) Black Power Supply Negative Communication White Humidity Voltage / Current Output is Positive Gray Temperature Voltage / Current Output is Positive Blue NC Yellow NC 1 x Soil Moisture Sensor 1 x Instruction Manual