1-10PCS Soil Moisture Meter, Plant Water Sensor Humidity Tester, Moisture Detector for Home Flower Potting & Garden Planting

Specification: Material: Plastic + Metal Size: 145*35*30mm Observation: 1-3 (red part) means watering is needed, 4-7 (green part) means soil moisture is moderate, watering time can be adjusted according to plant needs, 8-10 (blue part) means wet and no watering is required . Suitable for plantations, gardens, indoor potted plants, etc. Only suitable for soil, do not use for liquids.