Scheduled Automatic Feeding: The automatic aquarium feeder was designed for busy aquarists. With the automatic feeding function every 12 or 24 hours, you can feed your fish on time during business trips, on vacation, or in everyday life without worrying about their hunger. Adjustable Outlet: The automatic aquarium fish feeder has a slider for the left and right sides. This allows you to flexibly adjust the outlet size according to the size of the aquarium and the appetite of the fish, thus feeding accurately. The automatic fish feeder is suitable for various types of pellet and strip food (not for flake food) to prevent overfeeding and blockages. 60 ml Capacity: The automatic fish feeder has a capacity of 60 ml, thus meeting the needs of several days. It is suitable for daily breeding of tropical fish, goldfish, bettas, and other ornamental fish. Thanks to the transparent container of the automatic fish feeder, you can see the remaining food level at any time and thus refill it in