[High Performance] Resonant frequency, low power consumption and high sensitivity.
[Size] Piezo discs diameter 10mm/ 0.39 inches, thickness 0.2mm/ 0.01 inches; small, thin and lightweight, package: 20 Pcs x buzzer film.
[Material] Made of brass and ceramic, temperature resistant, stable, durable and long service life.
[Easy To Use] These piezo discs transducer are easy to install, foot-stompers and other home-made instruments for sound and vibration detection.
[Wide Usage] Perfect for beginner to use as touch-sensors, electronic drum triggers, buzzers, make your own contact mics, also used for watches, cameras, phones, electronic , computer, etc.