This is the Digitrax DN147K1C Series 7 Mobile Decoder for Kato K1 Boards Fits many Kato N-locomotives Drop-in light board replacement decoder for Kato “K1” form-factor boards 1.0 Amp/2 Amps Peak 4 FX3 Functions, 200ma output Replaces both the DN163K1C & DN163K1D