Bachmann sound-equipped locomotives feature TCS WowSound(R) and DCC decoder that allows operation on any DCC- or standard DC-controlled layout with no modifications. Other DCC features include short, extended, and advanced consisting addressing modes, paged, register, direct, and operations-mode programming and an extensive range of CVs. In addition to sound and DCC decoders, these locos also have all the detail features of other Spectrum locos.WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov