【Easy to read】The 3-in-1 soil tester can help you measure the fertility, humidity and pH of the soil. The basic model works stably. Plug and play, fast response and easy reading. It provides insight for necessary gardening adjustment, and provides a simple solution for watering your garden, vegetables and fruit 【Indoor and outdoor】Suitable for indoor and outdoor plants, gardens, lawns to check fruit, flowers, vegetables, shrubs and other conditions. High precision and easy to operate, compact and portable design ensures suitable conditions for your plants, lawns and flowers to grow in and garden. It is a good helper in gardening 【General】The plant water meter is very suitable for small gardeners or taking care of indoor plants, because each plant has different requirements on humidity, so it is very important not to over water the soil or make it too dry. Only in this way can your plants remain completely healthy. Suitable for any plant, even large potted plants. 【No battery】 Light weight: small and portable, it can also be carried outdoors easily. The water meters at the WNJ plant are plug-and-play, with no complicated buttons. Insert the sensor probe into the area of soil you want to examine and get an accurate reading immediately. Warm Tips - 1.This soil tester can not be applied to test any other liquid. Designed for testing soil only. 2.If the soil is too dry, the needle will not move,please water it before testing.3. Do not use it to test very hard soil.4.Take probe out from soil and clean it after each use.5.The soil pH value of most plants is close to neutral, so the range of change of the test pH needle will be very small.