LeBistro automatic waterer with flair! Tough plastic base holds water reservoir for water "on demand." Supplies pet with water while owners are away. Quiet and economical automatic feeder. (Please be sure someone still visits your pet daily!) Waterer Holds:X-Small Waterer - 2 QuartsSmall - 1 GallonMedium - 2.75 GallonLarge - 5 Gallon The transparent bottle makes it easy to monitor the water level. Easy to clean. The Le Bistro can be used indoors or outdoors. Assure your pet always has plenty of fresh water whether you're home or away. Petmate Le Bistro Waterer - Gravity Dog Waterers