Watering Humidity Meter, White Plant Moisture Meter Water Meter Soil Tester 12 cm

General Description This watering moisture meter is a practical tool for monitoring the soil moisture of your plants. It operates without batteries; simply place it in the soil and it's ready to use. An indicator light shows the moisture level: blue when the soil is sufficiently moist and white when it is not. Technical Specifications Length: 12 cm Base Material: 100% natural fibers Core Lifespan: approximately 6 to 9 months in organic soil, 9 to 12 months in inorganic soil Measurement Error Margin: 1 to 3 cm