Fan requires four AA batteries, not included. From the manufacturer Battery-operated fan inflates costumes into a menacing beast or comical character. Larger costumes may have two fans. RUBIE'S FUN-FLATABLES Fun-Flatables, Rubie's line of inflatable costumes, take the standard inflatable costume and "blows it up" to the next level!

This is a popular costume product that will make your Halloween even more exciting and special.