Soil Test kits Gardening,3 in 1 Soil Moisture/Ph Sunlight Testing Meter for Garden,Digital Indoor Ourdoor Soil Moist Tester/Analyzer/Detector Reader with Probe Sensor,Soil Acidfier Meter for Lawns 3 in 1 Soil Tester: 1.Moisture Meter - Let you know when to water to control the humidity. You will never over/under water your plants. 2.PH Tester - Help you to control Ph level in soil, acidic or alkaline is suitable for your plants. 3.Sunlight Guage - Help you to determine if plant getting adequate light. Easy to Use: No Battery needed; Simply insert the probe of the soil testing kit into soil around 4-6 inches, then toggle switch to test moisture, pH, sunlight you would like to measure. Simply insert probe of the meter into the soil to remaining about 10mm outsider, switch to the setting you want to measure and read the scale.For example: Choosing the MOIST, scale of 1-3 (red parts)means needing watering, 4-7(green parts) means suitable, 8-10(blue parts) means that too wet. Indoor & Outdoor Use : Design to be lightweight and portable, easy to carry around for outdoor use.Ideal soil test tool kit for flowers, vegetable,gardens, home potted plants,lawn and farm. Accuract Reading: Moisture Range: 1-10 (1-3 Dry, 4-7 Nor, 8-10 Wet); pH Range: 3.5-8ph (3.5-6.5 Acid, 7-8 Alkaline);Relative Light: 0-2000lux (0-200 Low, 200-500 Low+, 500-1000 Nor, 1000-2000 High)