Precision model made of brass and stainless steel, Bühler motor, high-performance digital decoder with realistic KM1-HQ sound, Visaton broadband loudspeaker, Dynamic Smoke with independent cylinder steam and dynamic steam whistle, easy filling via chimney, servo-motor changeover from forward to reverse travel, cab lighting, firebox lighting with Replica ember bed and servo-motor-opening firebox door on coal locomotives, headlight that changes in the direction of travel, warm light LEDs, red rear train lighting can be switched (also simplified tail light), robust cardan drive with rolling and ball-bearing gear, drive and axles with ball bearings and springs, low-noise and low-maintenance current draw via the axle bearings, Wheel stars with prototypical elliptically profiled spokes, spring b.