Soil pH value is a very important factor for the quality of crops. Most of the crops cannot survive in too acidic or too alkaline soil. Thus, this meter is of great help and very convenient to use suitable for indoor and outdoor test. Applications: Great for quick pH & Moisture Reference of Vineyards, Orchards, Field Produce, Nurser Planters, Lawn Maintenance, Gardens, Planters Features: Comes with the reliable and water-proof metal electrode Measure pH & moisture level fast and accurate Ensures durability for long and trouble-free life Approved by strict quality and safety standards Self-Powered, no battery is needed Measures the pH and moisture value of different kinds of soil Specifications: Range pH: 3~8 pH Moisture: 1~8 pH Accuracy: ± 0.3 Resolution: ± 0.2 pH Operating Temperature: 5~50°C (41~122 °F) Size: 160mm x 50mm (diameter) Weight: 145g Set Includes: 1 x Soil pH & Moisture Meter English User's Manual Plant pH Reference List Standard Factory Package