Feature: 1. Battery-powered design: Uses button cell batteries for long service life. Battery: 4 x 1.5V (AG13) 2. High-definition screen display: Clear and easy-to-read display panel, allowing measurement data to be viewed at a glance 3. Sensitive probe: Made of metal, provides sensitive and accurate analysis of soil conditions 4. Soil temperature measurement helps assess plant growing conditions. Supports temperature compensation from 0C to 50C 5. Soil EC levels that are too high or too low can hinder plant growth. Different plants require different optimal soil EC levels based on fertilizer needs and growth characteristics Specification: Model: EC Soil Tester EC Range: Low: 01999 s/cm High: 010.00 mS/cm Resolution: Low: 1 s/cm; High: 0.01 mS/cm Accuracy: 2% F.S Battery: 4 x 1.5V Temperature Compensation: 0C to 50C Operating Temperature: 0C to 50C Color: White Material: Plastic Package Contents: 1 x Soil Detector Note: Light reflection and differences in display screens may cause slight variations between the color shown in the image and the actual product. Measurement error allowance is 13 cm.