PRO SIGNAL
蜂鸣器, PIEZO, PCB
压电蜂鸣器, 12VDC, PCB
换能器, 蜂鸣器, 连续, 1.5 VDC, 28 VDC, 20 mA, 95 dB
换能器, 蜂鸣器, 连续, 3 VDC, 20 VDC, 15 mA, 95 dB