Napco PSMK Photoelectric Smoke Detector

Protect occupants and assets with rapid, reliable smoke detection designed for integrated security environments. The Napco Security Technologies PSMK photoelectric smoke detector uses a sensitive photoelectric sensor to detect smoldering fires early, giving building managers and security teams crucial time to respond. Built for smooth integration, the PSMK supports 433MHz long-range wireless connectivity to link into access control, alarm panels, and remote monitoring services without costly rewiring. An 85dB sounder plus three LED indicators provide unmistakable local alarms while the unit’s UL listings (UL 864 / UL 985) ensure compliance with industry fire safety standards. Ideal for commercial facilities, multi-tenant buildings, retail sites and advanced security systems, the PSMK balances high performance with low maintenance to reduce false alarms and lifecycle costs. Add this Napco smoke detector to your surveillance and life-safety portfolio to strengthen fire detection, reduce risk, and simplify monitoring—contact your security integrator to specify the PSMK for your next project.

• Provides fast, reliable early warning to protect people and property with a photoelectric sensor that detects smoldering smoke before flames spread
• 433MHz long-range wireless connectivity reduces wiring time and integrates seamlessly into existing security and monitoring systems
• Powerful 85dB sounder and tri-color LEDs ensure clear, unmistakable alerts for occupants and first responders
• UL-listed construction (UL 864 / UL 985) for code-compliant installations and dependable performance in commercial and residential deployments
• Low-maintenance design and easy ceiling or wall mounting minimize downtime and installation costs for facilities managers