Model: The locomotive comes with a digital decoder, and a controlled miniature motor. 2 axles powered. 2 track adhesion magnets for greater pulling power. The locomotive has separately applied metal grab irons and other details. The headlights are maintenance-free LED's. The headlights will work in conventional operation and can be controlled digitally. The acceleration and braking delay can be controlled digitally with a Control Unit or Märklin Systems. Length over the buffers 7.4 cm / 2-15/16".