Specification: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).pH Range: 3.5-8 pH (3.5-6.5 Acid, 7-8 Alkaline).Product Size: 11.2 x 2.0 x 1.3 inches.Probe length: 7.9 inches.Distance between probes: 0.5 inch.Copper probe diameter: 5 mm.Aluminum probe diameter: 5 mm.Color: GreenPackage weight: 2 oz/56g; 13*4*1.7 inPlease note:1. When measuring the soil pH and humidity, first insert the probe as deeply as possible into the soil, and leave approximately 1 cm above the probe.Press MOIST button is shows the mosit range. MOIST is on the corresponding table, DRY or WET , and values 1-3 (red) indicate watering, 4-7 (green). It is appropriate, please adjust the watering time according to the variety of the plant. 8-10 (blue part) shows that it is too wet.2. Press the button on the pen to PH, pH is the pH value, the corresponding value on the table is 8-3.5, ALKALINE is the base, ACIDIC is the acid, the value 7 is basically neutral, the smaller the number, the greater the acidity, please Adjust soil pH according to the plant variety.3. The LIGHT key is the illuminance, and the measurement range is 0-2000 lumens. The larger the value is, the stronger the illumination is. Please determine whether shade is needed according to the species of the plant.Package Includes1* Soil Tester
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