3 in 1 Humidity Sensor Soil PH Meter Solar Light PH Tester Garden Flowers Soil Meter Plants Acidity Humidity PH Monitor DetectorFeature: It is lightweight and portable design, convenient for indoor and outdoor use. Easy to Use: This 3 in 1 humidity meter with light and ph test function does not require batteries and can be used indoors or outdoors. Insert the probe into the soil about 2-4 inches, then the toggle switch into the tester what you want to measure. Readout Accuracy: Humidity 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), pH Range: 3.5-8ph (3.5-6.5 Acid, 7-8 Alkaline). Extremely practical and easy to use! No need for batteries or preparation; Simply plug in our soil tester to the area of soil you want to check and get an accurate and accurate reading instantly. It can measure soil moisture \ PH degree \ intensity of sunlight required for plant photosynthesis. Speciation:Material: Plastic Size: 26x6x3.5cm/10.24x2.36x1.38inch(Approx)Probe Length: 17.5cm/6.89inch(Approx.) Usage:Step 1: Toggle switch to humidity/pH/light position. Step 2: Stick the probe to the soil about 2-4 inches. Step 3: adjust the probe position until the indicator on the knob rotates slightly. Step 4: After 10 minutes, read the humidity/pH/light level on the dial. Step 5: remove the probe from the soil and wipe it off after each use. Package Included:1 x Moisture Sensor