TL50ZGBWRQP,TOWER LIGHT: 4-COLOR INDICATOR;
TL50ZGGGG,TL50 TOWER LIGHT: 4-COLOR INDICA
TL50ZGOR,TOWER LIGHT: 3-COLOR INDICATOR;
TL50ZGORALS,TL50 TOWER LIGHT: 3-COLOR SEALED
TL50ZGOYRA,TL50 TOWER LIGHT: 4-COLOR AUDIBL
TL50ZGQP,TOWER LIGHT: 1-COLOR INDICATOR
TL50ZGR,TL50 TOWER LIGHT: 2-COLOR INDICA
TL50ZGRA,TL50 TOWER LIGHT: 2-COLOR AUDIBL
