BRK SMI105-AC Hardwire Smoke Alarm with 10-Year Battery Backup

The BRK SMI105-AC is a hardwire smoke alarm featuring an ionization sensor, designed to provide reliable early warning in residential applications. It operates on 120V AC and includes a 10-year battery backup for continuous protection even during power outages. The alarm emits an 85 dB sound and can interconnect with up to 12 smoke alarms and 6 additional alarms for comprehensive home safety. Additional features include a latching alarm indicator, test/silence button, and dust cover.

Voltage and Rating:

• Voltage Rating: 120 Volts AC
• Sound Level: 85 dB at 10 feet
• Battery Backup: 10-Year Factory Locked Battery

Key Features:

• Alarm Type: Hardwire Smoke Alarm
• Sensor Type: Ionization
• Mounting Mode: Hardwire
• Terminal Connections: Hardwire interconnect
• Interconnectivity: Up to 12 smoke alarms + 6 other alarms
• Special Features: Latching alarm indicator, test/silence button, dust cover

Physical Specifications:

• • Height: 2.25 in
  • Width: 5.69 in
  • Depth: 5.69 in
  • Weight: 0.610 lbs

Product Data

Manufacturer: Resideo
Brand: BRK
Product Range: First Alert/BRK Alarms
Model Number: SMI105-AC
UPC: 029054022516
Certifications: UL Listed

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.