1、3 in 1 design, moisture / ph / light tester. 2、No batteries or electricity needed, ready to use out of the box. 3、Plug and read, making gardening easier than ever. 4、Compact and portable for indoor / outdoor use. 5、A necessity for anyone who gardens or has houseplants. 6、You will know what your plant needs, your plants will be healthier and growing. The 3 in 1 soil tester can give you a comprehensive idea of the soil condition of your garden and lawn by quickly check moisture / ph / light. With the quick check, you can tell if you need to adjust the plant's food / water and if your plants get enough sunlight. Features: 3 in 1 design, moisture / ph / light tester. No batteries or electricity needed, ready to use out of the box. Plug and read, making gardening easier than ever. Compact and portable for indoor / outdoor use. A necessity for anyone who gardens or has houseplants. You will know what your plant needs, your plants will be healthier and growing. Specifications: 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) Item Size: 270 * 60 * 50mm / 10.63 * 2.36 * 1.97in Probe Length: 170mm / 6.69in Item Weight: 58g / 2.05ounces Package Weight: 97g / 3.42ounces Package Size: 280 * 65 * 65mm / 11.02 * 2.56 * 2.56in Method of use: Use fine sandpaper to lightly sand the probes and keep it clean and dry and then use. Switch to moisture/pH/light position according to demand. Insert the probe into the soil about 3-4 inches. Adjust the position of the probe until the pointer on the dial swing slightly. Check moisture/pH/light level in the dial after 10 minutes. Matters needed attention: Do not force it into very hard soil or touch hard objects since the probe would be easily damaged. Do not use it to test pure water or other liquids. It can only be used to measure soil. Don't leave it in the soil for too long time，or it may damage the probe. Please wipe and clean the probe after each time use. If the soil is too dry, the indicator will not move, water it before testing. Packing List: 1 * Soil Moisture/Light/pH Tester 1 * Soil Moisture/Light/pH Tester