Plug and play:Plant moisture meter no battery required, just insert the probe tip into soil to the plant root level for several minutes, you can get the test result from the indicator pointer immediately and help your plants grow healthy. Fast & accurate reading:The plant water meter adopts the upgraded high quality stainless steel sensing probe, which makes the quality more stable and durable and brings you more accurate test results . Easy to read:Soil moisture meter with the large dial and ten scales with different colors, red means dry, green means moist and blue means wet. Easy and convenient:When you have a lot of houseplants, you don't have to remember when you watered this or that, just check each one with the soil moisture meter indoor plants and water accordingly. Widely used:The soil tester is suitable for garden, yard, farm, lawn plants, house plants, large potted plants etc. Please Do Not use it to test water and other liquid, and avoid very hard soil and stones.