Features 1. No need for batteries, plug and use, saving the cost of buying batteries. Multi-gear display, sensitive response, integrated display of PH value and fertility 2. The operation is simple and convenient, and different test purposes only need a switch 3. Test Range:A value of 1-3 (red part) indicates that it is dry and needs watering. Values of 4-7 (green part) indicate that the humidity is appropriate. Adjust the watering time according to the plant species. A value of 8-10 (the blue part) indicates that it is too wet. 4. Widely used, suitable for pot planting, gardening planting, greenhouse flower garden, outdoor flowers and plants 5. Quality Guarantee. We have faith in our product and always back it up with trustful customer service, please reach out to us if you have any questions or problems about our products. Specification Main Color:Green Material:ABS Size:28cm/11.02in (Approx.) Weight:30g No battery needed Note:The product is to test soil, soil and soil moisture. This is not test water, it cannot be tested directly in water. Package Includes:1PC x Soil Moisture Tester(Only test soil,This cant be tested directly in the water)