Features: 3-in-1 Soil Tester: This portable 3-in-1 soil tester can detect soil pH, soil moisture, and the intensity of sunlight required for plant photosynthesis. Easy to Use: This soil tester is easy to use, plug-and-play, no battery needed, and accurately grasps the condition and fertility of the soil. Display: Large digital dial with clear numbers, convenient for reading. Simply insert the meter into the soil to read the scale. Wide Application: This soil tester is a good helper for pot planting, greenhouse planting, scientific research planting, flower planting, etc. After-Sales Service: If you have any problem, please contact us immediately, we will help you solve it as soon as possible. Specifications: Material: ABS+Metal Panel Size: 255*60*35mm Probe Size:5*180mm Humidity: 1 - 10 (Dry - Wet) Lighting: 0 - 2000 (Dark - Light) pH: 8 - 3.5 (Alkaline - Acidic) Working Temperature: - 10 - 60 Weight: 80g Power Supply: No battery required, photosensitive element Certification: CE Notes: Please note that due to the influence of light and screen, slight chromatic aberration is acceptable. Please allow slight measurement error due to manual measurement. 1 * Soil Tester