3-in-1 FUNCTION:Test soil moisture, pH value and sunlight level of plant with soil tester, 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 Reading: pH Range: 3.5-8ph (3.5-6.5 Acid, 7-8 Alkaline), Moisture Range: 1-10 (1-3 Dry, 4-7 Nor, 8-10 Wet), Relative Light: 0-2000lux (0-200 Low, 200-500 Low , 500-1000 Nor, 1000-2000 High).After a while, you will get a accurate data. Indoor & Outdoor Use: This moisture meter is a perfect tool to test the soil conditions ( Moisture/Light/PH) of fruits, flowers, vegetables, shrubs, etc. with high accuracy and simple operation. You can take good care of your plants.It is the perfect soil test kits for plant care, home and garden, lawn, farm. 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. Moisture Range:1-10 (1-3 Dry, 4-7 Nor, 8-10 Wet) Relative Light0-2000 lux (0-200 Low, 200-500 Low , 500-1000 Nor, 1000-2000 Hgh). PH Range:3.5-8 pH (3.5-6.5 Acid, 7-8 Alkaline) Distance between probes: 0.4 inch Size:33*10.5*4.5cm Probe length: 20.5cm Material:Plastic+stainless steel Colour:Green+silver Package Contents: 1 * Green Soil detector 1 * silver Soil detector Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.