Model: The locomotive has an mfx+ digital decoder and extensive sound functions. It also has controlled high-efficiency propulsion with a flywheel, in the boiler. 3 axles powered. Traction tires. The dual headlights change over with the direction of travel, will work in conventional operation, and can be controlled digitally. Maintenance-free warm white LEDs are used for the lighting. The smoke unit contact will work in conventional operation and can be controlled digitally. A 72270 smoke unit can be installed in the locomotive. The locomotive is constructed mostly of metal such as the boiler, smoke stack, dome, cab, running boards, and tender. There is a close coupling between the locomotive and tender. Length over the buffers 23.7 cm / 9-5/16".