The First Alert Dual Sensor Smoke & Fire Alarm comes with a 10 year limited warranty.
First Alert Dual Sensor Smoke & Fire Alarm — 3-Pk., Model SA320

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- Uses dual sensors to protect against the most common household fires
- Reduces nuisance alarms
- Determines between non-threatening and true emergencies
- Single button silence/test mutes unwanted alarms
- Operates on 2 AA batteries (included)
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