Single needle soil moisture meter Soil detector Soil moisture meterMaterial:PlasticWeight: about 75 gramsPackaging: blister box insert card packagingProduct function.For the measurement of soil moisture, is a good helper for gardening. Can effectively measure the humidity in the plant soil, grasp the appropriate conditions for the growth of various plants; insert the probe into the root soil can be read out the exact soil moisture.No batteries, easy to use, through the soil organic nutrients in the electrolysis value to measure the plant soil moisture, insert the probe into the root can be read out, no batteries.How to use:First insert the probe as deep as possible into the soil, the probe into about 3/4 of the position. Measurement range 1-10 values, value 1-3 DRY is dry, value 4-7 MOIST is suitable, value 8-10 WET is wet. Please adjust the soil moisture according to the plant species.Warm tips: (the product is only used for testing soil, not directly in the water or liquid inside the test)