Alpha LI424BP Stand-Alone Strobe Unit with Buzzer

Designed for clear, reliable signaling in apartment, commercial and institutional environments, the Alpha Communications LI424BP stand-alone strobe unit with buzzer delivers high-intensity visual and audible alerts to support your security and surveillance needs. The hi-bright strobe combined with a built-in 24V DC piezo buzzer ensures alarms are seen and heard, improving response times for monitoring staff and first responders. With integrated timer circuitry and low-power 24V DC operation, the LI424BP minimizes nuisance activation and reduces load on power supplies or intercom amplifiers. Its compact indoor housing (approximately 5.5" H x 5.12" W x 1.5" D) simplifies placement in hallways, lobbies and control rooms while keeping installation clean and professional. Purpose-built to interface with Alpha Communications IA543 amplifiers and IA502 transfer relays, this strobe unit streamlines integration into existing access control, intercom and security systems. Ideal for businesses managing multi-tenant buildings, surveillance hubs or monitoring stations—add the LI424BP to your security toolkit to enhance audible and visual alarm coverage. Order today to upgrade your facility's alarm signaling.

• Provides immediate, high-visibility visual alerts for critical security and monitoring events, improving occupant safety and response time
• Integrated 24V DC piezo buzzer and hi-bright strobe reduce extra wiring and components, simplifying installation with intercom or access-control systems
• Built-in timer circuitry minimizes nuisance alarms and preserves power, ideal for multi-entrance or apartment intercom applications
• Low-power 24V DC operation and compact indoor design fit easily into retrofit and new-build security setups
• Reliable, precision-engineered unit compatible with Alpha Communications amplifiers and transfer relays for seamless system integration