Soil pH Meter 3-in-1 Soil Moisture/Light/pH Tester Gardening Tool Kits Product Description Color: Green PH Range: 3.5-8 pH (3.5-6.5 Acid, 7-8 Alkaline) Moisture Range: 1-10 (1-3 Dry, 4-7 Nor, 8-10 Wet) Relative Light: 0-2000 lux (0-200 Low, 200-500 Low+, 500-1000 Nor, 1000-2000 Hgh) 3-IN-1 FUNCTION: Test soil moisture, pH value and sunlight level of plant with our soil meter, quickly helps you specialize in grasping when you need to water your plant, control the pH value in the soil and know about whether it gets adequate sunlight. ACCURATE AND RELIABLE: Premium Double-needle Detection Technology strongly enhances the speed and accuracy of detecting and analyzing soil moisture and pH acidity, refuse to be a killer of plants, promote plant growth in a healthy way. EASY TO USE: No batteries needed, just insert the sensor probe into the soil about 2-4 inches, toggle switch to test moisture, pH, sunlight you would like to measure, then wait for a few minutes till the pointer stops swinging to get a stable reading on the scale dial. If the plant is very dry, the soil pointer will not swing, that means your plant needs water. Design to be lightweight and portable, easy to carry around for outdoor use, ideal soil test tool kit for home plants, garden, lawn and farm. Products Include 1 X Soil Tester