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RLECS 2pcs Active Electronic Buzzer Alarm Sounder Continuous 90dB Beep Speaker W/Wires DC 24V Piezoelectric Piezo Electronic for Arduino
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5pcs Sfm-27 Dc 3-24v Active Buzzer Magnetic Long Continous Beep Tone Piezo Buzzer, Motherboard Speaker Computer Horn For Arduino - Acoustic Components - AliExpress
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