AUTO FEEDING - The feeder designed by pressure difference principle can continuously supply food or water to your birds, no longer worry about your bird being hungry without food to eat when you go to work . DURABLE & SAFE - The bird feeder and drinker are made of high quality plastic, suitable for making food or water containers. And it has a certain degree of softness and is not easy to crack, durable and easy to clean. The bottle is transparent, so you can observe the status of the food or water at any time and replenish it in time. IMPORTANT NOTE - Since the feeder becomes heavier after being filled with food or water, it may not be able to be stably fixed in the desired position. Therefore, please confirm whether your cage space matches the mounting frame size before purchasing. In order to better fit the bottle body and lid to prevent leakage, the size of the bottle mouth will be slightly larger than the lid. When installing, please lightly press the mouth of the following