Pet Genius can be preprogrammed to feed your pet when you're not available. Your pet won't have to wait for you, you won't have to scramble to find a pet sitter, and your pet can continue to eat on a regular schedule. The best thing about the Pet Genius pet feeder is that it allows you to keep regulation on the food of your pet. With the help of the unit, you can control how much food your pet eats. WIFI Smart Pet Feeder holds up to 4 liters. Control with a free app on your smart phone.