API 3 Day Holiday Pyramid Fish Feeder

Feed fish at a fixed time at most 4 times a day Feed's quantity regulation How to make it work: This item can be only used for the dry food. Please put this item above the tank higher to avoid the food getting damp. Then fix the tank lid well and only leave a hole. Put some aquatic weed to the hole and let the food drops to this hole, the fish will come to eat the food.