Plant Hygrometer, Humidity Sensor for Potted Plants, Garden, Farm, Lawn (No Batteries Needed)

General DescriptionThis plant hygrometer is an essential tool for testing soil moisture, helping you determine when your plants need watering. It is designed to be used both indoors and outdoors, making it a practical accessory for caring for potted plants, gardens, farms and lawns. Its compact and portable design allows testing anytime, anywhere. Technical specifications Type: Single probe hygrometer Probe length: 19.3 cm Power supply: No batteries or electricity required Use To use this moisture meter, simply insert the probe into the soil at the base of the plant. The indicator needle will immediately display the humidity value. It is important to avoid contact of the probe with stones during insertion and to wipe it clean after each use.