BRK SC6W10A | Hardwired Ionization Smoke Alarm | 10-Year Battery Backup

The BRK SMI105-AC Hardwired Smoke Alarm provides dependable residential smoke detection with 120V direct-wire power and a 10-year lithium battery backup. The long-life backup battery provides continuous protection during power outages without routine battery replacement.

Designed with an ionization smoke sensor, the SMI105-AC supports hardwired interconnection with compatible alarms. When one interconnected alarm detects smoke and sounds, all compatible interconnected alarms will sound to provide an early warning throughout the property.

The SMI105-AC also features a latching alarm indicator, end-of-life signal, and a single test/silence button for convenient operation and maintenance. BRK lists the model with a 10-year limited warranty. 

Key Features

• 120V direct-wire hardwired smoke alarm
• Ionization smoke sensing technology
• 10-year lithium battery backup
• Battery backup maintains protection during power outages
• Hardwired interconnect capability with compatible alarms
• When one compatible interconnected alarm sounds, all connected compatible alarms sound
• Latching alarm indicator identifies the alarm that initiated the event
• End-of-life signal indicates when the alarm requires replacement
• Single test/silence button
• 10-year limited warranty
• Designed for residential smoke alarm applications

Technical Specifications

• Manufacturer: BRK / First Alert
• Model: SMI105-AC
• Product Type: Hardwired Smoke AlarmPrimary Power: 120V direct wire
• Backup Battery: 10-year lithium battery
• Smoke Sensor: Ionization
• Interconnection: Hardwired interconnection
• Latching Alarm Indicator: Yes
• End-of-Life Signal: Yes
• Test/Silence Button: Yes
• Voice & Location Alerts: No
• Limited Warranty: 10 Years

Ideal for hardwired residential smoke alarm installations, including:

• Single-family homes
• Condominiums
• Apartments
• Multi-residential properties
• Bedrooms
• Hallways
• Living areas
• Residential retrofit and replacement applications
• New installations requiring hardwired interconnected smoke alarms

Replaces BRK SMI105-AC.