Use inside and outside the cage: It can be attached outside the cage or inside the cage as needed. If your pet is naughty, it is recommended to install it outside the cage. You can easily turn the water supply on or off for cleaning and restocking.No Noise: This pet automatic water dispenser is designed with gravity flow, which controls the amount of water to prevent overflow. Compared to water bottles with ball bearings, it will not make annoying noises when your pet drinks. The quiet design allows you to have a quiet night sleep environment.Safe: Made of non-toxic durable plastic. Compared to traditional water bottles and bowls, our hanging water dispensers provide your pet with a more comfortable and hygienic drinking experience.Using steps: 1. Place the water dispenser horizontally and rotate it 90 degrees, insert the bowl mouth part into the cage, 2. When the gap between the bowl mouth and the base is aligned with the cage line, rotate 90 degrees to a horizontal state, 3. Rotate 90 degrees 4. It is recommended to pull down the entire water dispenser to the horizontal position. 5. If the bowl is dirty and needs to be cleaned, you can remove the bottom rubber plug first, put water in the base, and remove the base Product color: gray Product size: 19*22*9.5cm Shipping Quantity: 1 Piece