WATER NOZZIE - Stainless steel outlet nozzle design provides clean and fresh water for your pets all day long and prevents your pet from chewing the drinking head LEAK-PROOF NOZZLE - Leak-proof nozzle can prevent dripping on your floors or moisture on your cage floor AUTOMATIC FEEDER - It automatically feeds water. The bottle nozzle is designed with a spring embedded in the ball tube, which makes it easy for pets to drink water by themselves EASY TO INSTALL - You can fix it on the cage, wood or wall with a screw-in bracket. Securely attach the waterer and dog cage by rotating the knob, wavy concave and convex markings, non-slip and easy fixing PET WATER DISPENSER-Suitable for puppy, small dog, rabbit, cat, guinea pig, ferret, hamster, etc