PH-08 waterproof soil pH pen is a portable handheld tester designed for garden, farm and planting use. The integrated probe adopts fully waterproof structure, which can directly insert into soil for fast pH measurement without mixing liquid samples. It features simple one-key operation, clear digital display to read soil acidity and alkalinity instantly. Measuring range covers the common planting pH value, with stable and reliable test data to help users adjust soil conditions for flowers, vegetables, fruits and greenhouse crops. Compact lightweight body is easy to carry for outdoor field detection. No extra buffer powder or complex preparation required, greatly improving testing efficiency. Widely suitable for home gardening, agricultural planting, orchard management and laboratory soil sampling. Low power consumption and long service life, cost-effective bulk supply for distributors and farm suppliers.