Model: The locomotive has an digital decoder and extensive sound functions. It also has a miniature motor in the boiler. 2 axles powered. Traction tires. Triple headlights change with the direction of travel, will work in conventional operation, and can be controlled digitally. A buffer capacitor is included. The operating, current-conducting coupler can be controlled digitally. The inner boiler is constructed of metal. The body is constructed of metal-impregnated plastic for improved pulling power. There are numerous separately applied handrails and grab irons. Boiler appliances and other details are intricately modelled. Length over the buffers approximately 8.0 cm / 3-1/8". Both passenger cars and the mail car have factory-installed LED interior lighting with buffer capacitors and operating, current-conducting couplers. Current is supplied to the cars using the locomotive. Total length over the buffers approximately 50 cm / 19-11/16". This model can be found in an AC version in the Märklin H0 assortment under item number 26619.