200ml large-capacity feed bucket, suitable for a variety of fish feed such as granules, flakes, powders. USB charging, no need to buy batteries repeatedly, high quality, energy saving and environmental protection. For 600L (158 US gallons / 131 UK gallons) fish tank, the feeder can perfectly feed goldfish and turtles on weekends or holidays. You can set up to 4 feedings a day, feeding 1-3 times each time. At the same time, you can also feed manually and experience the fun of feeding. Large-capacity lithium battery, it can be charged and discharged up to 800 times. According to the number of feedings set, it can be used for 3-6 months on a single charge.