First Alert SMI100-AC Smoke Alarm
Best reliable hardwired option for modern homeowners seeking simple installation.
This hardwired detector finally solves the annoyance of false alarms caused by cooking steam while adding a crucial strobe light for visual safety. It’s a straightforward, whole-home solution that prioritizes accessibility and reliability, though you’ll need to be comfortable with a basic electrical setup to get it running.
$117.00
at
Diglo
More SMI100 Series options
First Alert Smoke Alarm SMI100
$24.95
First Alert SMI100 Smoke Alarm
$16.95
First Alert SMI100-AC
$129.95
First Alert SMI100-AC Smoke Alarm
$19.95
First Alert SMI100-AC Smoke Alarm
$93.59
First Alert SMI100 Smoke Alarm
$16.99
First Alert SMI100-AC Hardwire Smoke Alarm
$19.47
First Alert SMI100-AC Smoke Detector
$19.99
First Alert Precision Detection Interconnect Hardwired Smoke Alarm
$31.00
First Alert SMI100-AC Hardwire Interconnect Smoke Alarm
$183.99
First Alert Smoke Alarm
$79.99
First Alert SMI105-AC Interconnect Hardwire Smoke Alarm
$30.99
First Alert Precision Detection Interconnect Hardwired Smoke Alarm
$34.95
First Alert SMI100-AC Smoke Alarm
$117.00
First Alert SMI105-AC Smoke Alarm
$84.56
First Alert 9120BFF/ SMI100-AC Smoke Detector
$20.36
Who it's for
- Homeowners seeking a discreet safety device for modern interior spaces
- DIYers looking for a quick and hassle-free setup process
- Families wanting rapid alerts for high-intensity fire hazards
Who should skip it
- Cooks who frequently use the kitchen near the alarm's location
- Owners in older homes lacking integrated electrical wiring
- Tech-savvy users desiring a fully integrated smart home safety system
Performance breakdown
Nuisance Alarm Reduction
Advanced sensing technology effectively filters out common kitchen steam and smoke.
Accessibility Integration
High-intensity strobe light offers essential safety for the hearing impaired.
Installation Simplicity
Quick-connect plug system makes retrofitting or new installation remarkably straightforward.
System Scalability
Interconnect capability supports up to 12 units for whole-home coverage.
Reliability Assurance
Battery backup ensures continuous operation even during unexpected power grid failures.
Build Longevity
Ten-year limited warranty reflects a durable, long-term commitment to safety.
Key Specs
Detection Technology
Photoelectric
Power Source
Hardwired with 9V battery backup
Connectivity Type
Hardwired Interconnected
Interconnectivity Type
Hardwired Interconnect
Battery Type
9V
Mounting Type
Ceiling Mount, Wall Mount
Alert Type
Visual / Strobe
Alarm Type
Siren, Strobe Light
Certification
UL 217 8th Edition
Warranty
10 Years Limited
Know before you buy
Still have a question?
Ask Metto anything about the First Alert SMI100-AC Smoke Alarm before you decide.
