•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.
•These pre-wired piezo pickups are easy to install, foot stompers and other home-made instruments for sound and vibration detection.
•Resonant frequency 3.0~5.0+/- 0.5 KHz, resonant impedance 300 ohms max, low power consumption and high sensitivity.
•Made of brass and ceramic, temperature resistant, stable
•Lead Length: 10cm /3.94 Inch.