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