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SPROG 3 3.0A Programer, add this to Your Model Railroad Layout Today..
DecoderPro includes computer virtual throttles for loco control, allowing SPROG IIV3 to be used as a computer based command station for small layouts with two or three locos in use at one time. SPROG IIV3 is both a programmer and DDC train controller. Comes with a CD with all the software required to both program your decoders and run your locos. Perfect for your workbench; program a loco and they run it right on your workbench!