HO Model 37610/49610: Comes with a digital decoder, controlled high-efficiency propulsion, sound effects generator, and auxiliary functions. 2 axles powered. 4 traction tires. Headlights lighted number boards will work in conventional operation and can be controlled digitally. Mars light, diesel motor sound effects, and horn, as well as acceleration and braking delay, can be controlled digitally with the 6021 Control Unit. Powerful speaker. Volume is adjustable. Couples to a second powered locomotive without a decoder that is controlled with the decoder in the first locomotive. Close coupler in the standard pocket can be replaced by an American knuckle coupler.
In boxes, only run to test, truly awesome sound!