[Controllable Water Volume] The water bottle connector is equipped with 3 stainless steel balls of different sizes to control the water volume. waterer feeder suitable for small and medium-sized dogs or cats. [Automatic water intake] Your dog and cat can pass water through the sink, below the set water level, will automatically refill without getting your mouth wet. [Removable] The drinking water bottle can be hung at home and used in the pet's living room, or can be used alone outdoors because the water bottle is removable. [Safe Material] The whole drinking water bottle is made of high quality PP, ABS, PET material, which is non-toxic and environmentally friendly. environment, safe and durable. [Sturdy and durable] This pet water dispenser can feed your four-legged family members, it is sturdy and harmless, with a large capacity of 480 ml.