PRO SIGNAL
蜂鸣器, PIEZO, PANEL, LEADED
换能器, 蜂鸣器, 连续, 1.5 VDC, 28 VDC, 20 mA, 95 dB
压电蜂鸣器
换能器, 汽笛, 2音调, 6 VDC, 14 VDC, 70 mA, 102 dB