2. Accurately grasp, soil fertility status 3 seconds to read the test results, data of various soils, comprehensive care. 4. Clear scale - no batteries, clear scale table test to see the value more accurate, no batteries, plug and play. 1. A variety of scenarios, easy to cope with applicable to soil testing, such as pot plants, greenhouses, gardens, soil research, agricultural orchards and other soil testing. 3. Soil fertility, real-time knowledge of soil fertility determines plant survival when the nutrients for your soil to create a high-quality environment. 5. Metal Detection ProbeMetal detection sensor can detect and analyse soil moisture more quickly and accurately., Manufacturer: Vjsujehgy