Model: The locomotive comes with a digital decoder and controlled miniature can motor. 2 axles powered. 2 track adhesion magnets for greater tractive effort. Separately applied metal grab irons. The headlights will work in conventional operation and can be controlled digitally. The acceleration and braking delay can be controlled digitally with the 6021 Control Unit. Length over the buffers 7.4 cm / 2-15/16".