1. Measure Soil Ph Value (Range 3-8), Master Soil Acidity and Alkalinity, Optimise Plant Growth Environment. 2. Moisture Range: Measure Soil Moisture (Range 1-8), Show Wet or Dry Status, Avoid Excessive or Lack of Water Problems. 3. Long Probe Design: 300Mm Metal Probe Penetrates Deep Into The Soil for More Accurate Data. 4. No Battery Required: Plug and Play, Energy Saving and Environmental Protection, No Need To Charge or Replace Batteries. 5. Simple To Use: Clearly Display The Humidity and Ph Value, Easy To Read The . Application Scenario: It Is A Precise Tool To Judge Whether Plants Need Watering or Adjust Soil Ph. It Is A Necessary Tool for Indoor and Outdoor Potted Plants. It Is An Ideal Tool for Home Gardening, Farmland Planting, Garden Care and Professional Garden Design. The Significance of Soil Ph for Plants: Soil Ph Directly Affects The Efficiency of Nutrient Uptake By Plants. Different Plants Have Specific Soil Ph Needs (E.g. Neutral Soil for Vegetables, Acidic Soil for Blueberries, Etc.), and Unsuitable Ph Can Lead To Stagnant Growth or Death. Significance of Soil Moisture for Plants: Proper Moisture Helps Plants Absorb Water and Nutrients. Too Much Dryness Can Lead To Dehydration and Wilting of The Plant, and Too Much Wetness Can Lead To Lack of Oxygen and Rotting of . Specifications: 1. PH measurement range: PH: 3-8 2. PH humidity range: 1-8 3. probe length: 50mm 4. Resolution: 0.2 PH Please check as much as possible to make sure the item is what you need. Tips:The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use. Colour:Black Material:Plastic+Metal Package Contents: 1 x Soil pH and Moisture Tester 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.