Automatic Fish Feeder: This fish feeder can feed fish automatically by simple setting. Never worry about power problems when you're on vacation or at work. You can configure the amount of fish food, feeding times, when to feed the fish, manually or automatically. Up to 2 times per day: adjust the slider to adjust the amount of food. Up to 2 meals per day and 1 rotation per time. Switch to manual mode if desired. Follow the manual to easily set the modes. Flexible and Convenient. Choice of Food Style: This item can be used for dry food only. Very suitable for fish pellets, pellets, strips and flakes. Please put this item above the higher tank to prevent the food from getting wet. Then attach the tank cover tightly and leave only a hole. Put some water weeds in the hole and let the food fall into this hole, the fish will come and eat the food.