Automatic fish feeder will keep your fish always fed on time, whether you"re busy or going out for work, shopping, travelling, etc. Practical fish feeder is excellent for people who has busy lifestyle and still wants to properly take good care of his fish and tank. Description: Feeding once per 12 hours or 24 hours Detachable food can, making it easy to fill food Moisture-proof food drum can keep fish food dry Good for flakes, granules, or any type of dry, loose fish food Can work both automatically and manually Battery: 2 x AA batteries (not included) Feeding Machine Size (L x W x H): Approx. 3.8 x 2.9 x 4.3 inch Material: Plastic Color: Mainly black Package Included: 1x Fish Feeder 1x Manual