First Alert Interconnect Hardwire Ionization Smoke Alarm with 10-Year Battery Backup

The SMI105-AC interconnect hardwire smoke alarm with 10-year battery backup. Features First Alert's Precision Detection advanced sensing technology and meets industry standards. Precision Detection provides advanced protection early warning as well as a reduced number of nuisance cooking alerts. Interconnect multiple alarms together to help provide an early warning throughout your whole home and have peace of mind knowing the 10-year battery backup provides continuous protection in the event of a power outage.

• Precision Detection advanced sensing technology
• Complies with industry standards to reduce cooking nuisance alarms
• 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
• Test/silence button for efficient testing to ensure alarm is working properly