Please note: This soil tester cannot be used to test the pH of any other liquid. If the soil is too dry, the indicator will not move and water it before the test. (do not use it to test water directly and other liquids, this soil tester can only be used for soil). 3 in 1 function: test soil moisture , pH and plant plant sunlight with moisture meter. So you can specialize in grabbing when you need to water your plant. Precise measurement: Dual-needle sensing technology greatly improves the speed and accuracy of sensing and analysis of soil moisture and pH acidity. Now you know when to water the garden and when to water indoor and outdoor flowers and plants. Reading the reading easily and accurately helps grow healthy plants. Indoor & Outdoor Design: Ideal tool for testing soil conditions (moisture/light/PH) of fruits, flowers, vegetables , shrubs, etc. Lightweight and portable design, suitable for indoor and outdoor use. Ideal soil test tool kit for home plants, garden, lawn and farm.