SFM-27-压电蜂鸣器

-3v至24v安全运行（广告中称为12v更换）/3100±500谐振频率-M3螺栓孔（最大宽度3.3mm）-型号不包括内部部件ABS外壳、覆盖下的纸板/性能板材料此型号用于精确原型建模/部件和；制造前的紧固件放置------------------零件可在此处找到：https://www.amazon.com/HiLetgo-High-Decibel-Electronic-Intermittent-Continuous/dp/B082F96DNX/ref=sr_1_23?dchild=1orhttps://www.aliexpress.com/item/32984518008.html