5/10/20pcs Buzzer Piezoelectric Piezo Ceramic Wafer Plate Dia 12/15/18/20/27/35/50MM With wire Buzzer Loudspeaker for Audio

5/10/20pcs Buzzer Piezoelectric Piezo Ceramic Wafer Plate Dia 12/15/18/20/27/35/50MM With wire Buzzer Loudspeaker for Audio

AliExpress