This WalthersProto HO Scale Passenger Car Interior Constant-Intensity LED Lighting Kit is designed for the lower level of Walthers Vista Dome cars from Budd, ACF and Pullman-Standard. Most WalthersProto passenger cars have built-in provisions for adding one of these Passenger Car Interior Constant-Intensity LED Lighting kits. Fits most WalthersProto (920) or Walthers (932) dome car lower level 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 This kit can be adapted to light the lower level of the WalthersMainline 85′ Budd Dome Coach (#910-30402 series cars) using parts from the WalthersMainline LED Interior Lighting Kit (#910-220), both sold separately. WalthersMainline 85′ Budd Dome Coach LED Interior Lighting Kit