First Alert SMI100-AC Smoke Alarm
First Alert

First Alert SMI100-AC Smoke Alarm

4.5

Best reliable hardwired safety solution for modern residential homeowners.

This hardwired detector prioritizes inclusivity by pairing reliable, precision sensing with a high-visibility strobe light for those who need visual alerts. It trades a bit of installation complexity for a robust, interconnected safety net that keeps your entire home protected, even when the power goes out.

$117.00

In stock

at

Diglo

Detection Technology Photoelectric
Power Source Hardwired with Battery Backup
Connectivity Type Hardwired Interconnected
Hardwired Interconnected
Standalone
Interconnectivity Type Hardwired Interconnect
Hardwired Interconnect
None

Who it's for

  • Homeowners seeking a permanent and dependable fire safety solution
  • Design-conscious residents who prefer discreet safety hardware
  • Families living in multi-story houses requiring comprehensive coverage

Who should skip it

  • Renters or DIY novices looking for a simple plug-and-play device
  • Safety-focused buyers wanting dual-sensor protection for all fire types
  • Cooks or homeowners with alarms located near kitchens and bathrooms

Performance breakdown

Accessibility Features

The integrated strobe light provides vital protection for the hearing impaired.

Excellent

Installation Simplicity

Quick Connect wiring makes retrofitting existing systems straightforward and frustration-free.

Excellent

Nuisance Alarm Prevention

Precision sensing technology effectively filters out common kitchen cooking steam.

Excellent

System Integration

Hardwired interconnectivity ensures every alarm triggers simultaneously for whole-home safety.

Excellent

Reliability Assurance

Battery backup provides essential peace of mind during unexpected power outages.

Excellent

Build Durability

Solid construction backed by a decade-long warranty ensures long-term operational stability.

Excellent

Key Specs

Detection Technology

Photoelectric

Power Source

Hardwired with 9V battery backup

Connectivity Type

Hardwired Interconnected

Interconnectivity Type

Hardwired Interconnect

Alert Type

Visual / Strobe, Siren / Beep

Alarm Type

Siren, Strobe Light

Battery Type

9V

Mounting Type

Ceiling Mount

Certification

UL 217 8th Edition

Warranty Length

10 years

Know before you buy

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First Alert SMI100-AC Smoke Alarm

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Diglo
Diglo
In stock
$117.00
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