Accurate Nutrient Testing ：This soil nutrient tester detects potassium with ±2% precisions. Advanced sensoring technology provides quick soil analysis Helping farmers and gardeners adjust fertilization for healthier plant. Ideal for home gardening, farming, and research, it simplifies traditional testing methods. Complete all tests in just 3 minutes with 1 button operating.Not reuire complex steps, perfect for busy growers and beginners. Saves time while ensuring accurate soil nutrition management. Weighing only 200g with a durability ABS shell, this handheld tester is easy to carry for field or balcony use.enables soil checks aasily, from gardens to farmlands. Package includes: 1PC LY607 soil nutrient tester