BRK SMI100-AC Hardwired Smoke Alarm – Ionization – 85 dB – Battery Backup

The SMI100-AC Smoke Alarm from BRK is a hardwired ionization smoke alarm designed for reliable, continuous fire detection in residential applications. It features a built-in 9V battery backup to maintain protection during power outages and delivers a loud 85 dB alert for clear audible warning.

Alarm and Power Ratings

• Sensor Type: Ionization
• Sound Level: 85 dB at 10 feet
• Power Source: Hardwired with 9V battery backup

Key Specifications

• Type: Smoke Alarm
• Mounting Type: Hardwired with battery backup
• Interconnection: Compatible with most BRK and First Alert alarms
• Replacement For: Model 9120B

Certifications

• UL Listed

Physical Specifications

• Dimensions (H × W × D): 1.9 × 5.6 × 5.6 in
• Weight: 0.6 lb

Product Data

• Brand: BRK
• Manufacturer: Resideo Technologies, Inc.
• Model Number: SMI100-AC
• UPC: 029054022639

Returns are easy

You may return items within 30 days of delivery for a refund.

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My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.