FM Train Master With Proto-Sound 3.0 (Hi-Rail Wheels) – FM DemonstratorCab No. TM4Brand New – Sealed ShipperIntricately Detailed, Durable ABS BodyDie-Cast Truck Sides, Pilots and Fuel TankMetal ChassisMetal Handrails and HornMetal Body Side Grilles(2) Handpainted Engineer Cab FiguresAuthentic Paint SchemeMetal Wheels, Axles and Gears(2) Remote-Controlled Proto-CouplersO Scale Kadee-Compatible Coupler Mounting PadsPrototypical Rule 17 LightingDirectionally Controlled Constant Voltage LED HeadlightsLighted LED Cab Interior LightIlluminated LED Number BoardsLighted LED Marker Lights(2) Precision Flywheel-Equipped MotorsOperating ProtoSmoke Diesel ExhaustOnboard DCC/DCS DecoderLocomotive Speed Control In Scale MPH IncrementsProto-Scale 3-2 3-Rail/2-Rail Conversion Capable1:48 Scale ProportionsProto-Sound 3.0 With The Digital Command System Featuring Freight Yard Proto-EffectsUnit Measures: 17” x 2 5/8” x 3 7/8”Operates On O-42 Curves