Description Features: Electromagnetic type Short type DC current 16ohm 1206 mode: Diameter 11.9mm, height 6mm. 0904 mode: Diameter 9mm, height 4.2mm. Working principle like a normal speaker, it can general different sound, this is the different with an active buzzer, active buzzer has internal Oscillator but passive buzzer does not. Each purchase is for 5pcs. Usage please see on this page.
