The SIMPLEX 4903-9423 Fire AV Horn/Strobe Light Unit is a new old stock product designed for fire alarm systems. Specifically designed for commercial and industrial facilities, this unit provides both audio and visual signals for emergency situations. With its red color, Strobe Light, and horn, it ensures maximum visibility and attention in case of a fire alarm. It has a flash rate of 60 per minute 30 candel at 24VDC. Simplex is a trusted brand known for high-quality fire protection equipment, making this unit a reliable choice for maintaining safety in large establishments. I have 2 of these available for sale that are in new old stock condition with minor package defects from storage/shelf wear. Both of the boxes have been unsealed to confirm they are new and complete inside. They come with installation instructions and mounting hardware. See pictures for details, message with any questions. Buyers! I have other units available for sale in a case pack of 12. I also have similar 4903-9422 units, and other fire alarm equipment available for sale in my store. Check it out!