A piezo buzzer is a sound producing device. The main working principle is based on the theory that, whenever an electric potential is applied across a piezoelectricmaterial, a pressure variation is generated. ... Piezo buzzers generates a loud & sharp sound. So,they are typically used as a alarm circuits.
Piezo Electric Buzzer 12V
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- They have characters like small cubage, low wastage and high voice pressure
- 3-24V small enclosed piezo electronic buzzer alarm 95dB with wires
- Diameter: 38mm.height 22mm. Input Voltage: 3.5-12V. Current: <25mA. Frequency: 2300 +/-500Hz.
- Color as show on picture. Package includes 2 item.