Product Description Size: Feeder: 15*11 *7cm Feeding Ring: 10*10cm Color: Grey Material: ABS Package Contents: 1 Feeder 1 Feeding Ring 1.4 Time Group Mode: Up to 4 accurate feedings can be set time and 1-3 laps per day. You can set different exact vacation time according to your different needs. 2. Large capacity: 200ml capacity digital fish food, suitable for flake, granular, powder, strip and other fish food. It can be used for many days. Also suitable for various pets such as fish, turtles, salamanders and frogs. 3.360 degree rotation: The 360 degree rotation of the digital fish food holder allows you to rotate it to the desired position after installation. 4.2 Installation method: one is to install it with the base, and the other is to stick it on the water tank cover with double-sided tape. 5. Easy to use: Insert 2 AA batteries (not included), refill the food container, adjust the volume adjuster, and set the feeding mode. That's all you have to do.