Interconnect Smoke Alarm with 10-Year Battery Backup for Home Safety: First Alert SMI105-AC, 1-Pack
Category: smoke detector wired
About this item
- First Alert's Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency.
- 10-Year battery backup provides continuous protection during power outages
- Through early warning interconnect, when one alarm sounds, all compatible* alarms will sound
- Alarm indicator visually identifies the unit that initiated the alarm
- End-of-life warning lets you know when it’s time to replace the alarm