Sounder adds all 28 NMRA accessory sound function capacity Sound including two type of EMD 2nd generation prime mover sounds, multiple horns and bells, brakes, air releases, pop valves, cooling fans, coupling sounds and more Use with any HO diesel non-decoder from MRC or any other brands Full 28 NMRA function capability Use with any NMRA compatible DCC system to add sound "on the rails" and "below the rails" Simple two wire hookup Superb Brillance sound quality with multiple sounds and volume selectability Capable of providing six dynamic lighting effects 18V maximum input Detailed installation instructions.

One DCC Diesel Sound Decoder

Gauge: HO 1/87