Crafted with waterproof / weatherproof and requiring without batteries, the portable design features a functional switching for soil fertility testing in various environment The double scale probes penetrates soil depths up to 7.8 inches, precise meter and tester result within second for informed fertilization decisions This 4 in 1 soil tester simultaneously measure,, light, and temperature levels, providing comprehensive soil analysis through its resistant metal probes and quick digital readings Ideal for gardeners, agricultural professional, and plant enthusiasts seek accurate soil data for cultivation of flowers, vegetables, potted plant, or rice paddies Perfect for greenhouses, backyard gardening, and field inspections, effective measurements whether testing indoor potted plant or outdoor farmland soil conditions, Manufacturer: Kaeltsyn