6 Packs Soil Moisture Meter Set: soil moisture sensor set with reliable and accurate sensing probes ensure accurate and immediate test results, helping you easily and quickly test the moisture of soil so that you know when watering your plants; It issuitable for indoor or outdoor use Quality Design: this product is lightweight and portable for gardeners, with a 6.8 inch probe for deeper soil moisture detection and a clear dial display for gardeners of most ages How to Use: no battery required; Simply insert the tip of the probe into the soil 3 to 4 inch and let it sit for a few minutes to get immediate results from the pointer, helping you better cultivate the plant; Wipe the soil moisture probe with a rag aftereach use How to Use: no battery required; Simply insert the tip of the probe into the soil 3 to 4 inch and let it sit for a few minutes to get immediate results from the pointer, helping you better cultivate the plant; Wipe the soil moisture probe with a rag aftereach use Warm Tips: do not use this probe to measure liquids such as water; The tester is only applied for soil; It is not recommended to test plants with hard soil to avoid breakdown to the probe