About this item Greatly Optimized Design: Inverted bottle makes water automatically flow to the outlet, ensuring continuous water supply anytime. And it can effectively prevent water leakage and splashing due to the threaded outlet and the deepened water trough 140 mL Water Capacity: The bird water dispenser measures 4.7″ (height) x 1.8″ (diameter), holding enough water to drink for 3 to 4 days. Sufficient capacity to satisfy your bird’s drinking water needs. Never worry about your bird getting thirsty again Reliable Material: Made of thick and impact-resistant PP material, the bird water feeder withstands bites and rough play of birds for long-term use. Being odorless and safe, it never affects your birds water intake, always keeping them drinking healthily Easy Installation: Come with a tight screw and a clip that can be slid and flexibly adjusted in all directions. The parrot waterer can be securely mounted anywhere on the bird cage. Easy to mount