Model: The locomotive has a digital decoder and extensive light and sound functions. It also has controlled high-efficiency propulsion with a flywheel, mounted in the boiler. 4 axles powered. Traction tires. The locomotive and tender are constructed mostly of metal. The model has a factory-installed 72270 smoke unit. The dual headlights on the locomotive and tender change over with the direction of travel. They and the built-in smoke unit will work in conventional operation and can be controlled digitally. There is also cab lighting that can be controlled digitally. Maintenance-free warm white LEDs are used for lighting. There is an adjustable coupling with a guide mechanism between the locomotive and tender. The rear of the tender has a close coupler in an NEM pocket with a guide mechanism. The minimum radius for operation is 437.5 mm / 17-1/4". Brake hoses, heating lines, and imitation prototype couplers are included. Length over the buffers 30.4 cm / 12".