AD16-16SM series flash buzzers adopt high-brightness pure-color LED luminescent chip as light source with long service life, low energy consumption, small volume, light weight, high brightness, good reliability, aesthetic shape, delicate workmanship as well as crisp and alerting sound, suitable for lines of equipment in the field of electricity, telecommunication, machine tools, ships, textile, printing, mining, etc. as signals of indication, forecast, accident and others.