Automatic Feeder: This fish feeder can automatically feed fish by simply setting. Never worry about power problems on vacation or business. You can configure the amount of fish food, times of food, when to feed the fish, manual or automatic. Up to 2 times per day: program the feeding interval once or twice per day by setting the time selector to the 24H or 12H position. Adjust the slider to set the amount of food (1-6 different amount levels to choose from) . 1 rotation per hour. Also, you can switch to manual mode if you want. Follow the manual to set the modes easily. Flexible and convenient. Food Style: This item can only be used for dry food. Suitable for pellets, granulars, strips and fish flakes. Please place this item above the higher tank to prevent the food from getting wet. Then attach the tank cover tightly and leave a hole. Put some aquatic 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