Flexzion Automatic Fish Feeder - Digital Electric Aquarium Tank Pond Programmable Food Feeding Dispenser Timer Station with LCD Display Suction Cups Mounting for Home Office Business Trip Travel This automatic fish food feeder is for small fish pellets. Capacity 215mL (about 80g fish food). 12 or 24 hour clock display. Can be set to feed fish from 1 up 99 days Programmable feeding from 1-4 times daily, can be operated automatically or manually. Detachable feeder parts for easy cleaning. Its mini size and compact design are ideal for saving space. The feeder is ideal for feeding fish in aquarium, pond or tank Free standing or Rim-mounted - Unique design, at the bottom of a swimming earthquake four cups; can firmly in the aquarium glass on top absorption; can also use stents vertical caught in the aquarium the side Fit for almost all kinds of fish food for both fresh water and marine fish. Such as pellets and even crumble for the baby fish, but not for a big pellet (smaller than a 3mm pellet). Feeder can use tank air pump to help keep food dry in wet climates The design features a slider that allows you to decrease or increase the amount of food the feeder dispenses with each rotation. The maximum number of feeds per day is four; can be arbitrary set each feeding quantity, at least for 1, at most, VOL 9 VOL. Consider every 0.75 CC. LCD screen with easy operation, low battery indicated. Two "AA" size batteries required