Feature: 1. Soil EC detector, widely used in hydroponics and agricultural planting fields. 2. Equipped with LCD backlight display, convenient for various environmental readings. 3. Determine the index of soil water‑soluble salt to determine whether the salt ions in the soil restrict the growth of crops. 4. Removable probe design, replaceable electrodes, easy to maintain and use. 5. Soil conductivity tester, rust‑proof and corrosion‑resistant, suitable for all kinds of soil. Specification: Item Type: EC Meter Material: ABS Weight: Approx. 208g / 7.3oz Uses: Hydroponic Soil, Agricultural Planting Battery Attributes: 3Pcs LR44 1.5V Button Battery (Battery Not Included) Resolution: EC: 0.01ms/cm Temperature: 0.1℃ Fahrenheit: 0.1℉ Accuracy: EC: ±2%F.S Temperature: ±0.5℃ Product Size: Approx. 37x150mm / 1.5x5.9in. Package List: 1 x EC Meter (Battery Not Included)1 x Manual1 x Storage Box Note: 1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.