tool to test the soil conditions ( Moisture/Light/PH) of fruits, flowers, vegetables, shrubs, etc. Ideal and necessary tool for , vegetable and fruit growers, and all those who plant trees and grass With high accuracy and easy operation. You can take good care of your plants. Take the work out of your daily garden watering light and moisture. Save water, energy and keep your plants, lawn, flower in top condition. No battery required, simple and convenient to use. Simply insert the meter into the soil, switch to the setting you want to measure and read the scale. Moisture: 1-3 Dry(red zone) 4-7 Moist(green zone) 8-10 Wet (blue zone) This product only tests soil ,etcfor dry flour,smallstones,there are building blacks,sawdust,etc.notapplicable Instructions: Moisten the soil with water before inserting the soil the probe should be inserted into the soil 2/3 of the depth(above 10cm)this make the measurement more accurate inserting the two pointed tips have no effect and not move. How To Use: Step 1:Stick the probe into the soil about 2-4 inches :Adjust the position of the probe until the pointer on the dial swing slightly Step 3:After 10 minutes, Note moisture level in the dial Step 4:Remove probe from soil and wipe clean after each use Warm Tip: Without touching the stone, don' too hard, easy to damage the probe After using, need to clean and wipe the probe Don' inserted in the soil for a long time for using Design for testing soil, don' use it to test pure water or too rigid ground Colour:Photo Color Material:Plastic Package Contents: 2x Mini Soil Moisture Meter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.