Nonpowered units are also available in select road names to expand your lash-ups at lower cost. LEGACY® Control System equipped - able to run in LEGACY® Control mode, in TrainMaster® Command Control mode, or in Conventional mode with a standard transformer Bluetooth® Control - Operate with Universal Remote or LionChief® App Odyssey® II Speed Control LEGACY® RailSounds® sound system featuring: CrewTalkT dialog and TowerComT announcements, each with different scenarios depending on whether the locomotive is in motion or stopped Six official railroad speeds with CrewTalk dialog Eight diesel RPM levels LEGACY® "Real-Time Quilling Horn" control with instant response for realistic signature "quilling" and correctly timed warning signals Single hit or continuous mechanical bell sounds Sequence Control: plays the sound effects of an entire trip, including warning sounds and announcements, based on the movement and speed ofthe locomotive Current speed and fuel dialog, refueling sound effects Lighted cab interior Die-cast metal trucks, pilot, and fuel tank Metal frame High levels of separately applied metal details Engineer and conductor figures IR Transmitter for SensorTrackT Dual powerful maintenance-free motors with momentum flywheels ElectroCouplerT on front and rear Traction tires Refined Conventional Transformer Control Mode with lower starting speeds Fan-driven smoke unit Adjustable smoke output Directional lighting including LED headlights Marker lights on front and rear Illuminated number boards.