The Petgravity Smart Pet Water Fountain is an innovative automatic pet water dispenser designed for cats and dogs. With a large 3L water tank capacity and a waste water tank capacity of 1.5L, this fountain ensures your pets have access to clean water at all times. The electronic design allows for easy operation and the portable feature makes it convenient to use on the go. With a working time of about 180 days, you can trust that your furry friends will always have fresh water to drink.