[Smart Spring Valve Design]Our automatic bird water dispenser features an innovative copper needle valve that opens only when birds drink. This no-mess design keeps water fresh and prevents contamination, ensuring your feathered friends always have clean drinking water. [Universal and Easy Installation]Designed for maximum convenience, this bird waterer easily mounts inside or outside cages with a simple buckle system. The versatile design fits most standard cages and can be quickly disassembled for effortless cleaning. [Leakproof and Hygienic]Enjoy worry-free hydration with our upgraded leakproof connection. The top-fill design allows easy refilling without removing the dispenser, while the secure seal prevents spills and maintains cage cleanliness. [Premium Safe Materials]Constructed from high-quality, non-toxic PVC that's odor-free and durable. Provides a safe drinking solution for small to medium birds including parakeets, cockatiels, budgies, finches, and lovebirds. [Two Convenient Sizes]Choose between our 280ml (10.4") or 220ml (8.6") capacity options to perfectly suit your bird's needs. The clear design lets you monitor water levels at a glance for optimal hydration. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store