About this projectGreat accessory for BIORB Aquarium Turtle Feed: Suitable for most types of fish food such as dry, loose flakes and pellets, flakes, pellets, powders and strips. Not only for goldfish, it can also be used to feed most fish pet fish, turtles, salamanders and frogs.USB rechargeable or battery powered: Powered by USB rechargeable or 2 AA batteries (battery not included), super energy saving, built-in large capacity lithium battery can last 2~3 months. Whether you are at home or on the go, this automatic fish feeder is perfect for everyday use. Even if you're on a business trip, you don't need to worry about feeding the fish.Two food boxes: The large food box can be used to hold large granular fish food, and the small food box is used to hold powdered and flake fish food, which is very suitable for all kinds of fish.Easy to use: The unique closed design and top feeding port structure prevent the food from getting wet or clogging the dispenser, and it is convenient to add feed without removing the silo. You can easily control the amount of fish food dispensed by adjusting the slider.