Now all railroaders can afford to add these 18 high-quality, authentic rail sounds to their layout. Each sound has been digitally recorded for the most realistic reproduction possible. This unit brings railroading to a new dimension of fun and enjoyment. Sounds include diesel idle, rail clack, crossing bell, steam release, engine bell, plus whistles and horn. So versatile you can add sound on sound for added realism. Includes a two-way speaker system, handheld controller and hefty five-watt amplifier.