The INT'L COMPONENTS part BRP4016L-12-CP is an Audio Sounder Piezo designed for high performance sound output. Operating at 3VDC, the sounder can also function at 24VDC with a current draw of 18mA when powered at 12VDC, emitting a powerful 100dB sound output. The flange mount and wire lead design make installation simple and convenient for a variety of applications.