Features: Longer and slender 308mm electrode for deep penetration into the soil Durable and trouble-free life Self-Powered, no battery is needed Accurate and reliable Waterproof metal electrode/probe Fast pH & moisture measured reading Measures pH and moisture value of different kinds of soil Passed the strict quality and safety standards The perfect tool in soil pH & moisture testing: for Gardens Planters, Lawn Maintenance, Greenhouses, and Vegetable production Great for quick pH and Moisture reference in the following uses: Commercial use Vineyards Orchards Field Production Lawn Maintenance Home use Gardens Planters Lawn Maintenance Specifications: Extra long 308mm metal electrode Soil pH measuring range: 3~8 pH Soil Moisture level: 1~8 Accuracy: ± 0.2 pH (suitable for agriculture field or educational experiments) Operating temperature : 5~50°C (41~122°F) Calibration: light polishing to remove oxidation from metal rings Size: approx. 410 mm (total length) Weight: approx. 190g Set Includes: 1 x Soil pH & moisture meter 1 x English Instruction manual