Soil pH measurement range: 3 - 8 pH SOIL PH TESTER. Helps you measure and control the PH level in the soil Accuracy: ±0.2 pH (suitable for agriculture field or teaching experiments) EASY to USE! No need or preparation; Simply plug the probe of our soil test tool into the area of soil you wish to check and instantly get accurate and precise readings! Find out what your garden or lawn needs with our soil test kit NO BATTERY REQUIRED. No batteries or electricity needed, plug and play Features: Longer, thinner 295mm electrode for deep soil penetration A long and trouble-free life Self-powered, no batteries required Accurate and reliable waterproof metal electrode/probe Quick reading of pH and humidity Measures the pH and moisture of different soil types Passed strict quality and safety standards Ideal for rapid pH and moisture in planters, lawn care, greenhouses and vegetable production Features: 295mm extra long metal electrode Soil pH measurement range: 3 - 8 pH Soil moisture level: 1