Automatic fish feeder: Our timed fish feeder can be operated automatically or manually, equipped with two bases, suitable for different types of aquariums, it is good to feed fish at scheduled times (one or two or three times a day) Great accessory for turtle food: works with most types of fish food such as dry, bulk and pelleted food, flakes, pellets, powders and the straps. Not only for goldfish, but also for feeding most pet fish, turtles, salamanders and frogs. USB charging or battery operation: powered by USB charging or 2 AA batteries, the battery builtin energysaving highcapacity lithium battery can last 23 months. Whether you're at home or on the go, this automatic fish feeder is ideal for everyday use. Even if you are on a business trip, you don't have to worry about feeding the fish anymore. Two food boxes: The large food box can be used to hold large granular food for fish, 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 the Top feeding port structure prevent food from getting wet or clogging the feeder, and it is convenient to add food without removing the silo. You can easily control the amount of fish food dispensed by adjusting the slider.