Model: The locomotive has an mfx digital decoder. It also has controlled high-efficiency propulsion. It also has a powerful can motor with a bell-shaped armature and a fly wheel. 4 axles powered. Traction tires. The headlights are maintenance-free, warm white LEDs and the marker lights are maintenance-free LEDs. The triple headlights and dual red marker lights will work in conventional operation, and can be controlled digitally. The platform railings are all 4 sides of the locomotive are constructed of metal. Length over the buffers 16.5 cm / 6-1/2".