XL-451,BUZZER PIEZO 12VDC 28MM PANEL MT
【PUI Audio】XL-453,音频指示器及警报器 97 dBA 12VDC 3500Hz
【Cree】XL4550AMB-L100-0001,
【Cree】XL4550BLU-L100-0001,
【MAG-LITE】XL50,
XL-501 RED,SIREN 9-28VDC 32 TONE
【PUI Audio】XL-501 RED SIDE BASE,音频指示器及警报器 RED BASE FOR XL-501
XL-501 WHITE,SIREN 24VDC 32 TONE
