Vigormall Soil pH Tester, 4 in 1 Soil Tester Moisture Meter Plant Soil Tester Kit with PH, Light and Moisture Acidity Tester for Flowers/Grass/Plant/Garden/Farm/Lawn/Indoor and Outdoor

4 in 1 Soil Tester Features: Easy to operate and carry. Low battery warning function LCD backlight assistant lighting, easy to read. It shuts down automatically after 5 minutes without any operation. It does not need a power source, and can measure the humidity, PH value, and photosynthesis of plants for photosynthesis. Product advantage: Detect soil moisture, PH value and sunlight intensity required for photosynthesis of flowers and plants. Specifications: PH value (12 levels): 3.5 ~ 9.0pH Temperature: -9 ~ 50°C (16 ~ 122°F) Power by: 1*9V battery (not included) Notes: 1.Do not put soil tester into the water, FOR USE IN SOIL ONLY! 2.Do not put this moisture meter plants directly against any hard soil ground. 3.Do not leave the soil tester in the soil for a long time. 4.Please wipe and clean the probe after each time using. 5. Manual measuring, please allow 1 ~ 3mm error. Package Including 1 x 4-in-1 Soil Tester 1 x English User's Manual Optimal pH for crop growth: Carrot: 5.3-6.0 Cabbage: 5.5-6.7 Potato: 5.5-6.5 Cucumber: 5.5-7.6 Tomato: 6.0-7.0 Lettuce: 6.0 Ginger: 6.5 Spinach: 5.5-7.0 Garlic: 5.6-6.0 Pumpkin: 5.5-6.8 Wheat: 5.5-6.5 Barley: 6.8-7.5 Apple: 7.0-7.5 Strawberry: 5.7-6.5 Pea: 6.0-7.2 Sweet potato: 5.0-7.0