Intricately Detailed, Durable ABS Body Die-Cast Truck Sides, Pilots and Fuel Tank Metal Chassis Metal Handrails and Horn (2) Handpainted Engineer Cab Figures Authentic Paint Scheme Metal Wheels, Axles and Gears (2) Remote-Controlled Proto-Couplers Prototypical Rule 17 Lighting Directionally Controlled Constant Voltage LED Headlights Lighted LED Cab Interior Light Illuminated LED Number Boards Operating LED Ditch Lights (2) Precision Flywheel-Equipped Motors Operating ProtoSmoke Diesel Exhaust Onboard DCC/DCS Decoder Locomotive Speed Control In Scale MPH Increments 1:48 Scale Proportions Proto-Sound 3.0 With The Digital Command System Featuring Freight Yard Proto-Effects Unit Measures: 18 1/2 x 2 5/8 x 3 7/8 Operates On O-31 Curves