The RSF-91 Conventional Sounder/Flasher is designed to provide combined audible and visual notification in conventional fire alarm systems. It functions as a high-performance conventional sounder with an integrated strobe light for fast, wide-area emergency notification.

Designed according to EN 54-3 and suitable for indoor use, it provides both audible and visual signalling in emergency situations. Piezoelectric operation, dual-tone sound mode, adequate light intensity for smoky indoor environments, and suitability for wall and ceiling installation make it a practical choice for dependable indoor fire alarm notification.