Specifications:Name: Automatic Fish Food FeederColor: BlackMaterial: PlasticDimension: 7.5×12×14cm / 3×4.7×5.5"Power supply: 2xAA Battery (NOT included)Food bin capacity: 50g/100gSuitable Fish tank thickness: ≤25mm Feature- Mode Setting: You can set to automatically feed 1 or 2 times a day(12h/24h). No need to worry about the fish starving when you go out. Tips: You can press the "start" button to feed once immediately when you are at home.- Rationed Feeding: With the adjustment on the feed box outlet, You can adjust the feeding amount according to different fish food and fish quantity.- The bottom mount can be adjusted to the aquarium and can be mounted on glass up to 25mm thick.- Easy to operate. Note:If the "Start" button is pressed, the feeder will be forced to rotate for a circle and feed food for one time. At the same time, the timer automatically clears the reclock, but does not change the timing mode. Package included:1 x Automatic Fish Food Feeder (Batteries NOT included)