Echo Valley Express with DCCA whistle echoes through the walls of a deep valley as you hear the unmistakable chuffing of a classic steam locomotive approaching. The Echo Valley Express is steaming ahead with carloads of coal to fuel Americas hungry furnaces. It features a DCC sound equipped Alco 2 6 0 with a steam sound package that includes authentic prototypical chuff, short and long whistles, bell, air compressor, and blowerall in polyphonic 16 bit sound that you can control