【3-in-1 Soil Tester】The 3-in-1 soil tester can measure the light, moisture and pH of the soil using scientific methods. 【Scientifically Accurate】Easy and accurate reading of humidity, pH and light promote plant health. Help your plants grow healthy and vigorous. 【Easy to Use】No batteries required. Simply insert the probe into the measured terrain (2-4 inches) to get accurate and precise data. Install and read the result. 【Portable】It is compact and portable. It is a great tool for managing gardens and lawns, fruits, flowers, plants, vegetables, shrubs, etc. [Note] Do not use it to test soil or other liquids. Can only be used for soil testing!