First Alert SMI105-AC, Interconnect Hardwire Smoke Alarm with 10-Year Battery Backup, 1-Pack

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Breadcrumb Abstract Shape
First Alert SMI105-AC, Interconnect Hardwire Smoke Alarm with 10-Year Battery Backup, 1-Pack

First Alert SMI105-AC, Interconnect Hardwire Smoke Alarm with 10-Year Battery Backup, 1-Pack

Original price was: $39.99.Current price is: $29.88.

Price: $39.99 - $29.88
(as of Nov 12,2025 12:53:45 UTC – Details)

Features:

  • First Alert’s Precision Detection advanced sensing technology

  • Meets new industry standards

  • Interconnect multiple alarms for whole-home protection

  • 10-year battery backup for continuous protection during power outages

  • Alarm indicator visually identifies the unit that initiated the alarm

  • End-of-life warning for timely replacement

Pros:

  • Reduces cooking nuisance alarms

  • Provides early warning in the event of a home fire emergency

  • Easy to install and set up

  • Peace of mind knowing your home is protected

Cons:

  • May require professional installation if hardwiring is needed

  • Initial cost may be higher compared to basic smoke alarms

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