Interconnect Hardwire Smoke Alarm with Battery Backup
The First Alert SMI100-AC Interconnect Hardwire Smoke Alarm with Battery Backup meets industry standards utilizing First Alert's Precision Detection advanced sensing technology. This hardwire smoke alarm is easy to install and replace existing detectors with no need to rewire.
- First Alert's Precision Detection advanced sensing technology complies with industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency
- Through early warning interconnect, when one alarm sounds, all compatible alarms will sound
- Battery backup provides continuous protection during power outages
- Quick Connect Plug included allows for easy installation with no need to rewire
- Test/silence button for efficient testing to ensure detector is working properly
2025 Better Homes & Gardens® Recommends logo is a trademark of Meredith Operations Corporation, a Dotdash Meredith company. Used under license
Original: $24.99
-70%$24.99
$7.50More Images
Interconnect Hardwire Smoke Alarm with Battery Backup
The First Alert SMI100-AC Interconnect Hardwire Smoke Alarm with Battery Backup meets industry standards utilizing First Alert's Precision Detection advanced sensing technology. This hardwire smoke alarm is easy to install and replace existing detectors with no need to rewire.
- First Alert's Precision Detection advanced sensing technology complies with industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency
- Through early warning interconnect, when one alarm sounds, all compatible alarms will sound
- Battery backup provides continuous protection during power outages
- Quick Connect Plug included allows for easy installation with no need to rewire
- Test/silence button for efficient testing to ensure detector is working properly
2025 Better Homes & Gardens® Recommends logo is a trademark of Meredith Operations Corporation, a Dotdash Meredith company. Used under license
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Description
The First Alert SMI100-AC Interconnect Hardwire Smoke Alarm with Battery Backup meets industry standards utilizing First Alert's Precision Detection advanced sensing technology. This hardwire smoke alarm is easy to install and replace existing detectors with no need to rewire.
- First Alert's Precision Detection advanced sensing technology complies with industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency
- Through early warning interconnect, when one alarm sounds, all compatible alarms will sound
- Battery backup provides continuous protection during power outages
- Quick Connect Plug included allows for easy installation with no need to rewire
- Test/silence button for efficient testing to ensure detector is working properly
2025 Better Homes & Gardens® Recommends logo is a trademark of Meredith Operations Corporation, a Dotdash Meredith company. Used under license
