This 3 in 1 meter checks:- PH (acidity-alkalinity) which helps you to identify the best growing environment for your outdoor plants, shrubs, vegetables and trees. Moisture content of your compost to help prevent under or over watering of your house plants. Light meter helps you select the best position to place your house plants to give the correct light level.
- No batteries required.
- This meter comes with full instructions.
Length: 10in Width: 2.25in