Safe Material: This automatic pet water dispenser is made of eco-friendly, safe and non-toxic plastic, providing your pet with a more comfortable and hygienic drinking experience. Easy to install and easy to install. Clean: The plastic back makes installation on the pet cage more convenient and easy to adjust the height of the bottle. The base can be separated with a bottle for easy cleaning. Used Inside and Outside the Cage: You can attach it outside or inside the cage depending your own needs. If your pet is naughty, it is suggested to install it outside the cage. And you can easily turn the water dispenser on or off to clean and refill it. Large Capacity: 500ml large capacity, no need to refill water frequently. The transparent bottle makes it easy to check the water level. No more worrying about your pet not having enough water to drink if you're away from home all day. Universal: This hanging pet water bottle is ideal for hamsters, dutch pigs, squirrels, birds etc. Convenient for kinds of animals to drink.