TL50ZB2,TOWER LIGHT: 1-COLOR INDICATOR;
TL50ZBA,TOWER LIGHT: 1-COLOR AUDIBLE IND
TL50ZBAOS3,TOWER LIGHT: 1-COLOR SEALED; OMN
TL50ZBGRAOS3I,TOWER LIGHT: 3-COLOR SEALED; OMN
TL50ZBGYR,TL50 TOWER LIGHT: 4-COLOR INDICA
TL50ZBGYRALS3,TL50 TOWER LIGHT: 4-COLOR SEALED
TL50ZBGYRAOSI,TOWER LIGHT: 4-COLOR SEALED OMNI
TL50ZBORAOS,TOWER LIGHT: 3-COLOR SEALED; OMN
