BRK SMI100-AC Hardwire Interconnect Smoke Alarm with Battery Backup

Keep occupants and assets safe with the BRK Electronics SMI100-AC hardwire smoke alarm — a dependable smoke detector designed for homes, multi-family units, and light commercial sites. This ionization sensor provides fast response to flaming fires while the direct wire-in design with 9V battery backup ensures uninterrupted monitoring through power interruptions. The SMI100-AC interoperates with most BRK and First Alert hardwired alarms, allowing up to 12 smoke alarms and 6 other compatible devices to sound together for whole-building notification and faster emergency response.

Designed for installers and facility managers, the perfect-mount bracket simplifies mounting and alignment, reducing labor time on each job. The latching alarm indicator helps technicians quickly identify the initiating unit during maintenance or incident review. Built to UL 217 standards, this wired smoke alarm integrates into your broader fire and security strategy — complementing surveillance and monitoring systems for cohesive life-safety coverage. Add the BRK SMI100-AC to your safety spec to deliver reliable fire detection where it matters most — order now for residential and commercial deployments.

• Continuous protection with AC power plus 9V battery backup to maintain fire detection during power outages
• Interconnect capability that links up to 12 smoke alarms and 6 other compatible devices so an alert activates facility-wide
• Fast, secure installation with a perfect-mount bracket for precise alignment and reduced installation time
• Latching alarm indicator clearly identifies which unit initiated the event for quicker troubleshooting and response
• One-touch Test/Silence button and dust cover for easy maintenance and reliable performance on job sites