Overview The WOWSound® electric locomotive sound package includes horn, bell, cooling fan/power inverter, pantograph extension and retraction, coupler close/release, brake release and application, momentum, crew alert, grade crossing quill, departing and arriving station announcements, and more. The locomotive with all new tooling also features fully remappable light functions, die-cast frame, and selector switch for choice between rail and pantograph operation. Performs best on 22" radius curves or greater.