First Alert Interconnect Hardwire Smoke Alarm 3-Pack (SMI105-AC)
Smoke detector with 10-year battery backup and interconnect feature for home safety. Customers note easy installation and value, with some mixed feedback on false alarms and battery longevity
Highlights
- 10-year battery backup
- interconnect across alarms
- early warning sensing technology
Pros
- 10-year battery backup
- Interconnects with other alarms
- Easy installation
- Precision Detection technology
- Visual alarm indicator
Cons
- occasional false alarms
- mixed battery longevity reports
- wiring results sometimes noted as expected
Best For
Features
- Precision Detection sensing reduces nuisance alarms while providing early warning
- 10-year battery backup delivers continuous protection during power outages
- Interconnected operation ensures sounding of all compatible alarms when one is triggered
- Alarm indicator identifies the specific unit that initiated the alarm
- End-of-life warning alerts when replacement is needed
