【Safe Material】: This automatic pet water dispenser is made of environmentally friendly plastic, which is safe and non-toxic, providing your pet with a more comfortable and hygienic drinking experience. 【Easy to Install and 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 of the cage according to 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 are not home all day. 【Universal】: This pet hanging water bottle pet is ideal for hamsters, Dutch pigs, squirrels, birds,