2 in 1 Multifunction 4-20mA Soil Moisture Sensor Temperature Humidity Soil Transmitter Testing Tool Condition: Item Type: Soil Moisture Sensor Material: ABS+Stainless Steel Color: As shown in the picture Size: Approx.13.8x1.5cm/5.4x0.6in(L x T) Weight: Approx.197g/6.9oz Application: Used as soil moisture sensor Power Supply: 12-24V DC Moisture Measurement Range: 0-100% Storage Environment: -45℃-115℃ Moisture Accuracy: ±3%(0-53% range), ±5%(53-100% range) Response Time: <1s Temperature Measurement Range: -45℃- 115℃ Temperature Accuracy: ±0.5℃ Installation Way: All buried or all probe inserted into the measured medium Protection Grade: IP68 Current Output Type: 4-20ma Current Output Load :≤600 ohm Power Consumption: < 0.15 W Working Pressure Range: 0.9-1.1atm Wiring Method: Power Supply Wire Color Description Brown Power supply positive(12-24VDC) Black Power supply negative Communication White humidity Voltage / current output is positive Gray temperature Voltage / current output is positive Blue NC Yellow NC