z21 digital set: Electric baggage railcar De 4/4 with passenger train belonging to the Schweizerische Bundesbahnen. ¦ Features prototypical sound functions for the first time Content: 1 electric baggage railcar De 4/4 with sound decoder 1 2nd class EW-II fast train coach 1 2nd class Seetalbahn coach 1 z21 1 Z21 WLANMAUS 1 WiFi router 1 plug-in power supply Specifications: General data Number of axles with traction tyres 1 Number of driven axles 4 Coupling NEM shaft 362 without close coupling mechanism Minimum radius 358 mm Flywheel yes Electrical Sound yes Head light Light changes true to the Swiss original - direction dependent LED head light yes Measurements Length over buffer 671 mm