Useful tools: Automatic watering probes are simple and effective ways to water your plants when you are on vacation, business trip or forget to water them Application: the set of 16 watering stakes is suitable for most garden automatic watering devices; they are good for seedlings, planting without pollution; and they will slowly release the water into the pot according to the needs of the plants Dimensions: the connecting tube is 78 cm long, the root receives the water directly by itself to obtain the water drip irrigation Reminder: Watering stakes are suitable for watering any houseplant; please keep the sink and the flowerpot at the same level; and the sink is at a higher level, which will speed up the drip irrigation process How to use: As the soil dries, the ceramic cone delivers the water gradually into the surrounding earth; thus creates a vacuum in the cone which draws water from the nearby water container. After the soil is moistened enough, the sprinkler stake will stop dripping water Product Description Features: Color: As the picture shows. Materials: PVC, polyethylene, ceramic. Length: 11cm. Diameter: 2.5cm. Tube Length: 78cm. Quantity: Pack of 16. Water Release Process: As the soil dries, the cone in ceramic delivers water gradually into the surrounding earth. This creates a vacuum in the cone which draws water from the nearby water container. Once the soil is moistened the watering stake will stop flowing water. Operation: 1. Put the soil part of the product into the water to soak for 15 minutes. 2. Prepare a water tank filled with water (a narrow bottle like a bottle of mineral water). 3. Make sure the pottery pieces are filled with water, as the green plastic firmly covers the pottery pieces. 4. Insert a bit of cone into the soil of the plant. 5. Then it will automatically bring water to the other end of the container and then water your plants. Tips: 1. In order to water better, please keep the watering device of the bottle under the upper end of the green plastic cover. 2. Please note the demand of each plant and pot size and use appropriate watering devices. 3. If it fails to water your plants, please repeat the above operation steps. 4. After months of use, the ceramic parts should be cleaned, so as not to affect the effect of continuous use. Contents: 16 x Plant watering devices