Unique workmanship: Special design, no water leakage between the mouth and the tube wall, smooth edges, it will not let your cage become wet, keep the cage clean and tidy. Automatic water discharging setting: water can be dispensed automatically, no need to supervise the water addition at all times, very convenient, large capacity, no need to add water frequently. Made of high-quality plastic material, non-toxic, tasteless and durable. Worry-saving, labor-saving and easy to use: water can be added without opening the cage, which is very convenient. Birds can eat at the water outlet without polluting the water in the machine. Easy to install: There are 3 card slots, easy to install, the card slot has good elasticity, it is easy to bend, and it is not easy to break. (Suitable for all bird cages under 2cm wire pitch) Widely used: suitable for small animals, such as parrots, mice, rabbits, hamsters, canaries, parakeets and other birds. It can also be used as a feed machine.