Bring the romance of the rails to your layout with this easy-to-install passenger car lighting kit from WalthersProto(R). Fully assembled with LEDs for added realism day or night, the kit is designed especially for the WalthersProto Pennsylvania Railroad ′Creek′ Series 12-4 Sleeper (#920-15720 not included) and features: Easy drop-in installation Ready for use on DC or DCC layouts Constant intensity lighting for car interior Long-lasting LEDs ensure years of satisfying use Includes all parts to convert one car