Intelligent design - to meet your different needs - You can set 1-4 precise feeding times per day and perform 1-3 rounds each. When you are on the go, the aquarium food dispenser meets all the feeding needs of your fish. At the same time, you can experience the fun of feeding at any time by pressing the "manual button". Large capacity and general purpose - The 200ml automatic food dispenser can hold enough food to feed the fish when you are away. By adjusting the slider you can increase or decrease the amount of food per revolution, easily controlling the amount of fish food you allocate. Auto-feed aquarium suitable for a variety of fish foods such as flakes, pellets, powders and strips. Easy Adding Fish Food - It is easy to add fish food through the top of the feeder without having to remove it from the aquarium. With the 360 rotation of the charger base, it can be rotated to a satisfactory position after installation. Two installation methods - You can choose between two options to install the fish vending machine. 1 mounted on the base. 2Attached to the aquarium with a double-sided sticker. Make sure the pet food dispenser is mounted above water level and does not fall into water, become wet or clogged to keep fish food dry . Very long usage time - the automatic feeder is powered by 2 AA batteries (not included).