The our CUI Devices part CPE-270, a compact and versatile piezo audio indicator buzzer. With its compact size of 33.7 mm, this buzzer is perfect for panel mount applications. It operates at a voltage range of 3~28 V and emits a sound pressure level of 86 dB at a frequency of 3.5 kHz. Equipped with wire leads and a driving circuit, this buzzer is easy to install and use. Whether you need to notify users of an event or provide audible feedback, the CPE-270 is an excellent choice.