1. Application: The automatic feeder is very easy to use. Water refill: 1. Add water. 2. Tighten the cover. 3. Turn it over and carefully insert it into the base. For dry food dispensers, there is a large cap at the top. In hot weather, you need to shake the feeder to make the food fall. Do not wash the base in the dishwasher.2. Large Capacity: Each feeder can hold 3.8 liters of water or food, enough to feed your puppy or cat for at least a week.3. Modern Design: Each food and water vending machine has an original design. Drop water and food smoothly and without leaks.4. PREMIUM MATERIAL: This pet feed and water supply set is made of food grade plastic, which is safe, non-toxic and environmentally friendly. There are also anti-grip knobs at the base to ensure they don't slip off. Provide your pup with a variety of food and water dispensers. (Do not wash with hot water (above 25 degrees)).5. The siphon device is designed to prevent water leakage: when the water in the water tank of the cat and dog water dispenser reaches a certain level, the spring device will automatically close and the water will stop flowing, which can effectively prevent water leakage.