Model: The frame and body are constructed of die-cast metal. The locomotive has a 21-pin digital connector with a bridge plug for conventional operation. It also has controlled high-efficiency propulsion with a flywheel, centrally mounted. 4 axles powered through cardan shafts. Traction tires. The triple headlights and dual red marker lights change over with the direction of travel and will work in conventional operation. The lights are maintenance-free warm white or red LEDs. The locomotive has separately applied grab irons. The engineer's cabs have interior details. Length over the buffers 22.5 cm / 8-7/8".