商品櫥窗＞蜂鳴器＞Self Drive Magnetic Buzzer (Smd Type)● 型號：SMD BUZZER● 規格：9.6*9.6*5.0mm,5VDC, 2700HZ● 描述：SMD BUZZER Self Drive Magnetic Buzzer mini buzzer 蜂鳴器