ITEM NAME:3-in-1 Soil Tester Meter for Garden Lawn Plant Pot MOISTURE LIGHT PH Sensor L7X1 Description Step 1: Switch moisture/pH/light position Step 2: Stick the probe into the soil about 2-4 inches Step 3: Adjust the position of the probe until the pointer on the dial swing slightly Step 4: After 10 minutes, Note moisture/pH/light level in the dial Step 5: Remove probe from soil and wipe clean after each use Color: green package:1 x Humidity Sensor Meter.Step 5: Remove probe from soil and wipe clean after each use. Step 3: Adjust the position of the probe until the pointer on the dial swing slightly.