100% and high quality Features: Soil salt sensor is a good helper for gardening. It can test the temperature/humidity/conductivity of the soil.Upgraded three needle detection technology greatly improves the speed and accuracy of detecting and analyzing soil moisture and conductivity. Corrosion resistant probe: Waterproof sensor probe with high corrosion resistance can ensure a long service life. Application: A good helper for plants, let you know if your plants are thirsty, can be used in automatic watering systems, gardens, greenhouse vegetable growing, etc. Specifications: Product name: Three-in-one Soil DetectorPower supply: DC 12-24V Measuring range: 0-10000us/cm Resolution: 10us/cm Storage environment: -45C-115C Response time: <1s Output mode: RS485/0-5V/0-10V/4-20mA Current output load: 600 Working pressure range: 0.9-1.1atm Material: ABS+metal Size: app.142mm/5.59in Color: As pictures shown Quantity: 1pc Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1 x Soil Detector (other accessories demo in the picture is not included.)