This soil moisture test meter tooll fully embodies the characteristics of intelligence and convenience. It can be used immediately after being inserted into the soil. There are indicator lights to get the test results concisely and clearly. It is suitable for a variety of soil materials and the test is simpler. It is a useful helper in your garden. Features: Easy to test and identificate, you just need to insert it into the soil, then you just see the color of lamp to identisify the moisture of soil. Light indicator: red indicates 0%~15% monsture,means low moisture, green means 16%~60% monsture, menas medium moisture, blue indicates 61%~100%, means high moisture. You don't need to pull out this tester, you can plug it in the soil for a long time for continuous testing. It is suitable for the detection of moisture in a variety of hardness and types of soil, with a wide ranges of applications. The whole body is splash-proof: The black part can be directly inserted into the water, but the white host part cannot be soaked in water. One-key real-times monitoring: You can detect the current real-times soil moisture content only by pressing the button, which is convenient and quick. Specifications: Material: ABS Color: white Working voltage: 3V Working current: 10uA Battery: 1 * button battery,3V(not included) Rated power: 0.03W Measurement range: +/-5% Red light: water shortage. Green light: goods for moisturizing Blue light: too much water Product model: WN1803 Item size: 131 * 25.1 * 10.9mm / 5.2 * 1.0 * 0.4in Packing weight: 30g / 1.1ounce Packing size: 136 * 28 * 15mm / 5.4 * 1.1 * 0.6in Packing List: 1 * Soil Moisture Meter