... This kind of machine that it's used to feed to the fish or shrimp .Firstly, this kind ... of feeder machine ,it belongs to a kind of outdoor machine . When you use it ... is about 150W,220V/AC(DC).Feeding can throw to 20 meters / 300 square place .Anyway,we have ... machine.If you want to know more information about this product, just let me know directly ,I'm glad to tell you no ...