The MTH 20-2242-1 Union Pacific DC-3 Rail Inspection Car with Proto-sound 2 is a ready-to-go model train locomotive in 1:48 scale. Made of diecast material and featuring a yellow color, this pre-built locomotive is equipped with digital control, smoke unit, light function, and sound function. Manufactured in 2000, this model represents the Union Pacific Railroad and is a part of the transportation-themed collection. Perfect for model railroads and train enthusiasts, this locomotive operates on a three-rail system and is a must-have for collectors of brand-new model trains. BENCH TESTED AND ALL FUNCTIONS WORK