WinnerEco 3in1 Soil Moisture Sunlight PH Meter Tester Plant Digital Analyzers. The tool plant owners, gardeners can't live without!. 3 IN 1 soil moisture content, PH and illuminance metering. For outdoor, indoor plants, gardens, grass lawn. Take the guess work out of your daily garden watering light and moisture. Save water, energy and keep your plants, lawn and flower in top condition.