Enhance your model railroad collection with the 2 Pack Atlas HO Scale Remote Switch Machine #RSM-250 (HO/N Scale). These have been manufactured with high-quality materials.. This item includes two pieces of the brand-new ittem individually packaged adding convenience and flexibility to your setup. The item is compact. Instructions are printed on back of packag.  Some of these vintage packages show some wear, but they have not been opened. Please see photos.