The JG20375687 3-in-1 Soil Meter is the ultimate gardening tool for monitoring soil moisture, pH levels, and light conditions—all without batteries or complicated setup. Whether you're a home gardener or a professional grower, this tool helps you create optimal growing conditions for indoor and outdoor plants. With dual metal sensor probes and a simple dial interface, this meter delivers fast, reliable readings. Use it to determine whether your plant needs watering, check if the soil is too acidic or alkaline, or confirm if your plant is getting enough sunlight. No batteries needed, making it an eco-conscious choice that's always ready to use. Just insert it into the soil (at root level) and switch between modes using the slider. A must-have tool for anyone serious about plant health.