Product description Size: Feeder: 15*11 7cm Feeding ring: 1010cm color: gray Material: ABS Package content: 1pcs feeder 1pcs feeding ring 1.4 time group mode: You can set up to 4 exact feeding times and 1 - 3 rotations each day. Depending on your different needs, you can set different exact times when you are on vacation. 2.Large capacity: 200ml capacity of the digital fish food is suitable for various fish food like flakes, pellets, powder and strips. It can be used for many days. Also suitable for various pets such as fish, turtles, newts and frogs. 3.360 rotation: The 360 rotation of the stand of the digital fish food allows you to rotate it to the desired position after installation. 4.2 Installed Methods: Firstly, it is installed with the base, and secondly, it is pasted on the tank cover with the double-sided sticker. 5.Easy to use: insert 2 AA batteries (not included), refill the food container, adjust the volume regulator, then set the feeding mode. That's all you have to do.