Soil Moisture Meter for Plants, 4-in-1 Soil pH Tester, Soil Tester for Moisture, Light, Nutrients, pH, Soil Ph Test Kit Water Meter for Indoor Plants & Outdoor Garden, Lawn, Farm (No Battery Required) ‌4-in-1 Soil Tester - This moisture meter can fulfill your needs to check soil moisture, pH, nutrients, and light conditions simultaneously.A cost-efficient all-in-one tool that replaces multiple single-function testers. 90° Foldable Soil Meter: Features an adjustable probe (1°-90°) for easy reading and a single-tip design to protect plant roots, making it ideal for plant care. Portable Soil Tester: Perfect for checking soil in gardens, lawns, farms, and indoor/outdoor plants. Compact and easy to use. Please note that do not leave the meter on the ground for a long time, avoid corroding. NO BATTERIES REQUIRED & QUICK RESPONSE - Naiades soil moisture meter for plants works without batteries. Simply insert the probe into the soil over 4 inches deep and get test results in seconds. (Must be more than 4 inches deep) (Soil Use Only）Note: to ensure accurate readings, please avoid immersing the plant moisture meter in water or any other liquid. To obtain the relative pH value close to the absolute value, soil moisture should be between 4 and. Always clean the probe after testing. If you encounter any problems, please feel free to contact us.