Upgrade 3-in-1 Soil Moisture Meter, S30, Dr.meter

Dr.meter Upgrade Soil Moisture Meter Sunlight PH Acidity 3-in-1 Soil Tester Kit for Garden Farm Lawn Planter (No Battery Needed) Model number:S30 Product Feature [3-in-1 Functions] Tests moisture, PH value and light level by using two 20cm probes and a light sensor. [High Accuracy and Rapid Respond] There are three calibration tables, you can respectively get the accurate value immediately [No Battery Needed] Environmentally friendly because it needn't any battery or electricity. Just plug in the probe to your object [Compact and Portable] Small size, it is convenient to use it indoor, outdoor or in your greenhouse [Monitor & Promote Healthy Plants] It ensures and maintains the health and quality of your greenery. By using it, you can know when to water, control PH level and whether the plant getting adequate sunlight   3 in 1 Moisture Meter - PH is a measure of the acidity or alkalinity of the soil which some plants are sensitive to. - Sunlight determines if a location is b