Description Quick measurement and convenient use. Fast detection and multiple functions. Sensitive probe, easy to carry. Click the button to adjust the moisture value, light intensity, and pH value. No battery power, plug and play, no consumption, high cost-effectiveness. Measurement range: illumination, moisture value, pH value. Usage: Insert into the soil. Application: Warm wet garden, greenhouse planting, etc., suitable for all types of soil, for soil testing of all types of planting. Usage and Precautions: 1. Moisten the soil with water before inserting the probe into the soil. The probe should be inserted 2/3 of the soil depth (more than 10 cm), so the measurement can be more accurate. Just sticking in the pointed end won't work. It must not move. Do not touch the stone when inserting the electrode. Do not use excessive force, otherwise the electrode will be easily damaged. After use, the electrode should be washed in time. 2. Must not be inserted into the soil for a long time to avoid damage. 3. This product only tests soil and earth, etc. It is not applicable to dry flour, small particles, blocks, wood, etc. Color: Green Material: plastic + metal Package Contents: 1 x Soil Tester Only the above package content, others 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 +/- 1-3 cm.