4. No Battery Required: Plug and Play, Saving and Environmental Protection, No Need To Charge or Replace Batteries. 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. 1. Measure Soil Ph Value (Range 3-8), Master Soil Acidity and Alkalinity, Optimise Plant Growth Environment. 5. Simple To Use: Clearly Display The Humidity and Ph Value, Easy To Read The ., Weight: 0.32187490252 pounds, Manufacturer: Hipzeepo