TL-501LFI,TL-501LFI/r22,TL-501LFI/r23,TL-501LFI/r26,TL-501LFI/r31,LED闪亮连续发音警示灯
TL-501LFI/rg22L,TL-501LFI/rg23L,TL-501LFI/rg26L,TL-501LFI/rg31L,
TL-501LFI/rgy22C,TL-501LFI/rgy23C,TL-501LFI/rgy26C,TL-501LFI/rgy31C,
TL-501LFI/rgyb22C1,TL-501LFI/rgyb23C1,TL-501LFI/rgyb26C1,TL-501LFI/rgyb31C1,
TL-501LFI/rgybw22C2,TL-501LFI/rgybw23C2,TL-501LFI/rgybw26C2,TL-501LFI/rgybw31C2,
TL-501LFI/rgybw22Z,TL-501LFI/rgybw23Z,TL-501LFI/rgybw26Z,TL-501LFI/rgybw31Z,
TL-501LFI/rgybw22ZC,TL-501LFI/rgybw23ZC,TL-501LFI/rgybw26ZC,TL-501LFI/rgybw31ZC,
TL-501LFI,TL-501LFI/r22,TL-501LFI/r23,TL-501LFI/r26,TL-501LFI/r31,LED闪亮连续发音警示灯