1. Most potted plant deaths are caused by water shortage or overwatering. This soil moisture sensor will whistle when the soil is dry, reminding you to water your plants. This helps prevent both underwatering and overwatering. 2. No need to read complex indicators—simply water when it signals. Makes plant care simple and convenient. 3. Features a cute design that doubles as a decorative piece for flowerpots, enhancing the look of your garden or indoor space. 4. Easy to use: remove the plastic tab at the bottom to activate. Insert the probe into the soil. It will emit bird or frog sounds when the soil is dry, and stop when sufficient moisture is detected. 5. Powered by a standard button battery that lasts up to one year. Includes a light sensor that automatically disables sound at night to avoid disturbance. The device activates with light and will sing briefly when sunlight is detected, indicating battery function. Watering Guide: When the device sings, check soil moisture and water if needed. Color: Yellow/Black Material: Resin Size: 18 x 9 cm Package Includes: 1 x Soil Moisture Meter Note: Clean the probe tip regularly with fine abrasive paper or steel wool for optimal performance. The sensor detects soil moisture levels. If the device continues to signal after watering, check soil conditions. Suitable for indoor plants with soil pH between 3 and 8.