1. It can automatically control the water flow rate according to the wet-dry soil ratio for flowers and water plants.

2. Save time and effort, suitable for both outdoor and indoor use.

3. Easy to use, wide application.

4. Compatible with most drink bottle diameters.

5. Material: ceramic, PP.

6. Size: total length approximately 12cm, diameter approximately 4/3cm.

7. Weight: approximately 27g/piece.