10 pack automatic watering system, suitable for indoor or outdoor plant self drip irrigation slow release system Usage: As the soil dries, the ceramic cone gradually transports water to the surrounding soil; Thus, a vacuum is generated inside the cone, which draws water from nearby water containers; Once the soil is sufficiently moist, the watering pile will stop flowing; Note: Close the pile cap while the pile is filled with water, creating a vacuum in the pile Useful tool: Automatic watering probes are a simple and effective way to water plants when you are on vacation, on a business trip, or forgetting to water them Application: 10 sets of watering piles are suitable for most automatic garden watering equipment; They are conducive to sowing and planting without pollution; When plants need it, they slowly release water into the flower pot Measurement: The length of the connecting pipe is 78 centimeters/30.7 inches, and the root directly draws water to achieve drip irrigation Kind reminder: The watering pile is suitable for watering any indoor plant; Please keep the sink and flowerpot on the same level; The sink is at a high water level, which will accelerate the process of drip irrigation