TL50GYAOS3IC,TOWER LIGHT; GRAY HOUSING: 2-COL
TL50GYAOSIQ,TOWER LIGHT: 2-COLOR SEALED; OMN
TL50GYAQ,TL50 TOWER LIGHT: 2-COLOR AUDIBL
TL50GYB,TL50 TOWER LIGHT: 3-COLOR INDICA
TL50GYBAOS4IQ,TOWER LIGHT: 3-COLOR SEALED; OMN
TL50GYBAQ,TL50 TOWER LIGHT: 3-COLOR AUDIBL
TL50GYBKQ,TOWER LIGHT IO-LINK SERIES: 3-CO
TL50GYBQ,TL50 TOWER LIGHT: 3-COLOR TOWER