【Large capacity】Feeder or water dispenser, has a large capacity of 1-Gallon & 4.6 pound (including the base). The small pet can be used for about 7 days, and the large pet can be used for about 3 days. This allows you to go out on business or on weekends, holidays, and parties without worrying about no one to take care of your pet. Cuopluber feeder can take care of your pet for you. 【Gravity automatic feeding without electricity】The gravity feeder has the design of gravity feeding. When the pet uses up the feed or water in the base, the feed or water in the bucket will automatically fill the base by gravity. You don't need any operation during the whole process, just add water or feed regularly. The feeder can be used directly without power, charging or plugging, which is very convenient. 【Siphon device to prevent water leakage】The bucket and base of the drinking water dispenser are set with siphon. When the water in the bucket needs to be added to the base, if the water in the base reaches a certain height, the siphon design will automatically close the spring, so as to prevent the water from being added to the base and let the water overflow. 【Food grade materials】 Feeder made of PP+PET edible grade material, BPA Free, safe and harmless. You can safely feed your pet without harm to your pet's health, and protect your pet's food safety. <