1 x model train detector automatic signal controller crossing system trigger etc

1 x prewired IR sensors train detector for block signal controller master board

1 x trackside enhenced IR sensors train detector block signal controller trigger

1 x prewired 1 meter IR sensor train detector for signal controller master board

1 x Model Railroad Traffic signal Light Controller Circuit board HO N all Scale

1 x sound effect board for grade crossing signal clang bell tinkle w/ speaker

1 x trackside IR sensors train detector for block signal controller master board

1 x model train manual signal controller switches block searchlight HO N O scale