【Moisture-proof design & fish quantity control】: The automatic feeder adopts a moisture-proof design to keep the food fresh. Our feeder is suitable for a variety of fish food such as strips, powders, granules, and flakes. You can increase or decrease the amount of feed dispensed by easily adjusting the slider. 【Manual & Auto Mode】: The fish tank feeder can free up your time and let you spend a wonderful vacation easily. An aquarium automatic fish food dispenser is easy to set up on a regular basis. Just press the button on the settings page to choose the time you want to schedule it. At the same time, you can also manually feed at any time to experience the joy of feeding fish. 【Adjustable Feeding Amount & 9 Feeds】: With the help of the automatic fish feeder, it can be calibrated to feed up to 3 times a day, 3 rounds of each feeding. Just add the right amount of fish food, push the open-top opening, and the feeder will automatically rotate 360° to feed at the time you set.