Description: Durable Material: This automatic fish feeder is made from durable materials, designed to withstand the humid environment around aquariums and provide long term service.Compact Size: With dimensions of 11cmx7.5cmx7cm/4.33inchx2.95inchx2.76inch, this compact auto food feeding can easily fit into aquariums of various sizes without taking up too much space.USB Interface: The vacation timer feeder comes with a USB interface, allowing you to conveniently power it or program feeding schedules via a computer or any other compatible device.Elegant Appearance: The food dispenser for fish tank features a sealed fish food storage container with a transparent and beautifully crafted moisture lid. The transparent window allows you to clearly see the remaining food.Package List: Each purchase comes with 1 auto fish food feeder and 1 USB cable, providing everything you need to set up an automatic feeding system in your aquarium. Size Chart: 11cmx7.5cmx7cm/4.33inchx2.95inchx2.76inch Package Includes: 1 Automatic Fish Feeder1 USB Cable Note: Please allow slightly errors due to manual measurement and different monitors.