【ABB】AI523,
AI-531,BUZZER PIEZO 12VDC 24MM PCMNT
AI-550,BUZZER PIEZO 12VDC 2.9KHZ PCB
AI-550A,BUZZER PIEZO 12VDC 24MM PCMNT
AI-550AS,BUZZER PIEZO 12VDC 2.9KHZ PCB
AI-550H,BUZZER PIEZO 12VDC 2.9KHZ PCB
AI-550HS,BUZZER PIEZO 12VDC 24MM PCMNT
AI-550S,BUZZER PIEZO 12VDC 24MM PCMNT
