商品櫥窗>蜂鳴器>Self Drive Piezo Buzzer (Pin Type)● 型號:PIEZO BUZZER蜂鳴器● 規格:OD23*10mm,12VDC,Freq.:3.5KHz● 描述:PIEZO BUZZER,Self Drive Piezo Buzzer 蜂鳴器