Description:The 3-in-1 soil meter test is simple and easy to use. Test your soil with accuracy and ease to determine if you need to adjust soil acidity. It can be inserted in the soil for monitoring, help achieve the optimal level for crop growth. Lightweight, durable, mini size, easy to carry, better designed for potted plants.Features:[Monitoring]Professional pH tester is used to test the PH, fertility, and of soil to help achieve the optimal level for crop growth.[ Test]When the value is 1-3(Red), watering is required. Values of 4-7(Green) indicate that the content is appropriate. A value of 8-10(Blue) indicates too much water.[Useful]It's helpful for you to plant flowers, plants and make them grow and b.[Easy to Use]No battery required, just insert the probe into the measured terrain(with a depth of at least 10cm) to get exact and precise data.[Widely Applicable]Suitable for garden, lawn, farm, indoor& outdoor, both soil-less mixtures, and soil has grown plants.Specifications:Color: Green; Black; Blue(Optional)Material: PP(Housing), Copper Pin(Probe), Aluminum AlloyStyle: CasualApplication: SoilOccasion: Home, OutdoorPackage Size: 27*7*4cm/ 10.62*2.75*1.57inchPackage Weight: 110g/ 0.24lbPackage List:1* 3-in-1 Soil TestNote:1. The item is not designed to test liquid substances so please DO NOT use it for liquid such as water or acid.2. It is recommended to take several readings and get the average out of them to obtain the most accurate data for the soil.