Model: Unit comes with a digital decoder and controlled high efficiency propulsion. 2 axles powered. 4 traction tires. Headlights and interior lighting works in conventional operation and can be controlled digitally. Lighted destination signs at the ends of the train. Acceleration and braking delay can be controlled with the 6021 Control Unit. Close coupled special connection between powered and control car. Reproduction of the original couplers and brake hoses. Length over buffers 52.5 cm / 20-11/16".