YUIDDA Soil pH Meter 3-in-1 Soil Tester Kits with MoistureLight and PH Test for Garden Farm Lawn Indoor and Outdoor No Battery Needed

? This soil ph meter no batteries or electricity needed, Simply insert the probes into the soil about 2-4 inches, then wait for a few minutes till the pointer stops swinging to get a stable reading on the scale dial. You can measure soil moisture, PH Value and sunlight intensity. It's helpful for you to plant flowers, plants and make them grow healthy and strong. This soil tester can only be used in soil, it cannot be used to test any liquids. ? Scientific Data Monitoring ? Help you control every detail and track all changes about your plants.  ? Keep your plants in a healthy condition through scientific data monitoring ! ? How To Use ? Step 1-Switch to moisture/pH/light as needed; ? Step 2-Stick the probe into the soil about 2-4 inches; ? Step 3-Adjust the probe until the pointer on the dial swing slightly; ? Step 4-After Several minutes, Note moisture/pH/light level in the dial ; ? Step 5-Remove probe from soil and wipe clean after each use. ? Tips and Advice ? Do not force it into very hard soil or touch hard objects; ? Do not use it to test pure water or other liquids; ? Designed for testing soil, don't use it to test pure water or other liquids; ? If the soil is too dry and the indicator will not move, water it before testing.