1. 6-in-1 Multi-functional measurements: This soil moisture tester can measure six functions of soil pH, EC, moisture, fertility, light level and temperature at the same time, giving you a comprehensive understanding of the soil for optimal plant care. 2. Backlit Large Screen: Equipped with a backlit large screen, users can clearly view and analyze the measurement results. In addition, the large screen can be rotated by 45 degrees, which is convenient for users to observe the data at different angles. 3. Highly sensitive probe: The product adopts corrosion-resistant and highly sensitive sturdy probe, which is not only more durable, but also able to read the soil condition over a large area, accurately sense the soil moisture and other parameters within 5 seconds, and reflect the data on the screen in real time. 4. Dual-purpose for soil and hydroponics: Multi-functional soil meter is suitable for both soil and hydroponics cultivation, sensitive PH and EC meters are beneficial for you to confirm the liquid fertilizer, adjust the concentration of nutrient solution for hydroponics and aquatic plants. 5. Equipped with calibration liquid: Considering the user's practical needs, the soil meter comes with calibration liquid, which allows the user to calibrate it as needed to ensure the accuracy of the measurement results. Easy to operate, suitable for long time and frequent use. Colour:Gray+Black Material:ABS Package Contents: 1 x Soil Tester(4 AAA batteries not included) 1 x 1413us/cm calibration solution 3 x PH calibrator 1 x Cleaning cloth(random colors, don't accept the specified color) 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.