Are you going out of town or work a crazy schedule? An automatic fish feeder is exactly what you need to keep your little guys fed while you are away from home. This automatic feeder for fish tanks has an intelligent timing design so you can set up to 4 feeding times per day. This automatic feeder for aquarium has a 200ml large capacity fed bucket so it can hold any kind of fish feed such as granules, flakes and powder. This fish tank automatic feeder has 2 mounting options and a rotating base. Option one will allow you to use a bracket to secure the aquarium wall while option 2 has a double-sided sticker so you can stick it on.