Model: The locomotive has an mfx+ digital decoder and extensive sound functions. It has controlled high efficiency propulsion. 3 axles powered. Traction tires. The locomotive has an articulated frame to allow it to negotiate curves better. The triple headlights and dual red marker lights change over with the direction of travel, will work in conventional operation, and can be controlled digitally. The headlights at Locomotive End 2 and 1 can be turned off separately in digital operation. When the headlights are turned off at both ends, the double "A" light function is on. Maintenance-free warm white and red LEDs are used for the lighting. The locomotive has separately applied grab irons.Length over the buffers 21 cm / 8-1/4".