Function: 1. [Adjustable Height] - The hanging device adopts a spiral rotation, and the distance can be adjusted freely according to different cages. 2. [Automatic Water Outlet] - Automatic water outlet design, drinking place controls the amount of water to prevent overflow. 3. [High Capacity] - The water bottle is designed with 500ml/17oz, and the mouth of the bottle has siphon water control function. 4. [Replaceable Water Feeder] - Both positive and negative use, easy to replace, can be used inside and outside the cage. 5. [For small pets] - Automatic water feeder for small pets, such as bunny, chinchilla, guinea pig, hedgehog, ferret. Specification: Item Type: Small Hanging Pet Water Dispenser Material : ABS Size: Approx. 15x8.3x20.5cm / 5.9x3.3x8 inches Water bottle capacity: 500ml / 17oz Purpose: Automatic water feeder for small pets Package List: 1 x Small Hanging Pet Water Dispenser 1 x water spout