10pcs Disk Drum Sensor Trigger Piezo Elements Ukuran 20mm Dengan Kabel

Description: Color:see picture Material:Copper,PVC Diameter:20mm Wide tonal response Speech and music applications Piezo Discs For Buzzer Pressure Sensor Speaker DIY Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-3mm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 10x 20mm buzzer sensor DILARANG KERAS / TIDAK SAH JIKA KOMPLAIN TIDAK MEMEBERIKAN VIDIO UNBOXING