Automatic Fish Feeder: This fish feeder can feed the fish automatically by simple adjustment. No more worrying about feeding problems when you are on vacation or at work. You can configure the quantity of fish feed, feed times, when to feed fish, manually or automatically. Up to 2 times a 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 you wish. Follow the manual to easily set the modes. Flexible and practical. Food Style Choice: This item can only be used for dry food. Very suitable for granules, granules, strips and fish flakes. Please put this item above the tank higher to prevent the food is not wet. Then secure the tank cover securely and leave only one hole. Put some aquatic weeds in the hole and let the food fall into that hole, the fish will come and eat the food.