20pcs Passive Buzzer 16R AC 12MM*8.5MM 16 Ohm 3V 5V 9V 12V Mini Piezo Buzzers 12085 for Arduino Diy Electronic Kit

20pcs Passive Buzzer 16R AC 12MM*8.5MM 16 Ohm 3V 5V 9V 12V Mini Piezo Buzzers 12085 for Arduino Diy Electronic Kit

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