Otennlux OSLA Audible and visual alarm can be used for security alarm system ofoverhead crane, travelling crane, ship, dock, port, transportation, iron andsteel manufacture and metallurgical industry.

Audible and visual alarm can be used with all fire alarm controllers. When an emergency accident or fire occurs on the site, the control signal sent by the fire alarm controller triggers the audible and visual alarm, and realize sound alarm and light alarm at the same time. It can also be used in conjunction with the manual alarm button to achieve simple sound and light alarm.