Napco PG21MSS PG21 Series Narrow Stile Door Alarm, Satin Aluminum Clear Anodized

Protect exits and control unauthorized egress with the Napco Security Technologies PG21MSS PG21 Series Narrow Stile Door Alarm. Built for retail, corporate, institutional and school environments, this narrow stile door alarm delivers fast, unmistakable notification—featuring an improved sweeping siren over 95dB and an optional strobe for both audible and visual alerts so security teams can pinpoint the violated door quickly. The PG21MSS supports Always Armed and Standard Arming modes, plus entry delay options to balance convenience and security. Installation is streamlined with visual magnetic alignment and convenient no-cut jumpers that eliminate templates and reduce labor costs. Battery-powered with a long-life 9V backup and dual-tamper supervision, the unit maintains monitoring reliability even during power interruptions. The satin aluminum clear anodized finish provides a professional designer look that fits narrow stile frames without modification. Ideal for integrated security and surveillance systems, the PG21 Series enhances situational awareness at critical exits and high-traffic doors. Specify the Napco PG21MSS for fast deployment and dependable door monitoring—contact your distributor or add to your security system design today.

• Fast, unmistakable alerts with a 95dB sweeping siren and optional strobe to speed response and reduce loss
• Designed for narrow stile doors: fits slim frames without cutting or modification, simplifying installation and retrofits
• Always Armed and Standard Arming modes plus entry delay options for flexible operational control to match your security policies
• Visual magnetic alignment and no-cut jumpers reduce install time and labor costs while ensuring reliable sensor alignment
• Battery-powered (long-life 9V) with dual-tamper supervision for continued protection and easy maintenance in critical access points