How to use: As the soil dries, the ceramic cone will gradually transport water to the surrounding soil; thereby creating a vacuum in the cone and drawing water from a nearby water container; once the soil is sufficiently moist, the water column will stop flowing; Note: Close the lid with a wooden stake full of water to form a vacuum in the stakeUseful tool: The automatic watering probe is a simple and effective way to water your plants when you are on vacation, on a business trip or forget to water.Application: 4 watering piles are suitable for most automatic garden watering equipment; it is good for sowing and planting without pollution; they will slowly release water into the pot according to the needs of the plants.Measurement: Take water directly from the root to achieve drip irrigationReminder: The watering pile is suitable for watering any indoor plants; please keep the sink and flowerpot at the same level; and the sink is at a higher level, which will speed up the drip irrigation process.Note: Other items are not included. The color is based on the first picture. Other pictures only show the effect.Note:Due to the difference in lighting and screen settings, the color of the product may be slightly different from the picture. Due to different manual measurements, please allow slight size differences. Product size: diameter 3CM, height 11CM, the whole ceramic length is 7CM, the exposed length is about 5.5CM, the suction pipe is 1.5mMaterial: ceramic (white part) + plastic PPSingle net weight: 34 gramsThe product includes: 4 pieces * watering device suction pipe 1.5m