Automatic fish feeder: This fish feeder can feed fish automatically by simple adjustment. No longer worry about power issues when you are on vacation or at work. You can configure fish food quantity, feeding times, when to feed fish, manually or automatically. Up to 2 times a day: Adjust the slider to adjust the food quantity. Up to 2 meals per day and 1 rotation per time. Switch to manual mode if you wish. Follow the manual to easily set modes. Flexible and convenient. Food style choice: This item can be used for dry food only. Very suitable for fish pellets, pellets, strips and flakes. Please put this item above the tank higher to avoid the food getting wet. Then secure the tank cover tightly and leave only one hole. Put some water weeds in the hole and let the food fall into this hole, the fish will come and eat the food. Easy to install: Two ways to install the feeder in the tank. 1. Clip the tank wall by turning the screw. 2. Attach the feeder with a double-sided sticker (included) to the aquarium lid. Choose the right way according to your needs. Battery operated and easy to clean: powered by 2 AA batteries (not included). When cleaning the food tank, simply remove it, rinse it thoroughly with hot water and clean the drum. Make sure the drum is completely dry before adding food.