: ABS material, stainless steel probe and sealed by epoxy resin the long service life and good sealing effect. Easy to Use: It can be directly buried in the soil and is not corroded. Or just insert the probe into the soil to test the soil quality. Compact Size: The sensor is compact in size, easy to carry, simple to install, operate and maintain, convenient to use. Quick Response: High measurement accuracy and sensitivity and reliable performance proper operation. Can test soil moisture. Widely Application: Widely used in water-saving agricultural irrigation, greenhouses, soil testing, scientific experiments, sewage treatment and other fields. Power Supply:12-24V DC Moisture Measurement Range:0- Output Signal: RS485 Moisture Accuracy: 3% within the range of 0-53% 5% within the range of 53- Installation: all buried in soil or all probes inserted into the measured medium Response Time: Protection Level: IP68 Power Consumption: less than equal 0.15W (@12V DC, 25) Working Pressure Range: 0.9-1.1atm Size: Length: . 13.8cm/5.4in Thickness: . 1.5cm/0.6in Weight: . 197g/6.9 oz Color:As Shown Material:Metal+Plastic Package Contents: 1 * Soil moisture sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.