誠訊科技研發–高品質電磁式蜂鳴器商品櫥窗>蜂鳴器>External Drive Magnetic Buzzer(Pin Type)● 型號:Magnetic Buzzer● 規格:OD9.0*5.5mm,3Vo–p,Freq.:2731Hz● 描述:BUZZER External Drive Magnetic Buzzer