The First Alert SMI105-AC ionization smoke alarm provides advanced detection for fast-flaming fires using proven ion-sensing technology. This hardwired unit features a 10-year sealed battery backup, delivering continuous protection even during power outages. The interconnectable design enables wireless communication between multiple alarms throughout your home, creating a unified safety network that alerts all connected units simultaneously when smoke is detected. Ion technology excels at identifying rapidly developing fires that produce minimal visible smoke, complementing photoelectric detection for comprehensive coverage. Engineered to First Alert's exacting standards, this alarm combines reliable performance with user.

Interconnect Hardwired Smoke Alarm with 10-Year Battery Backup

The First Alert SMI105-AC Interconnect Hardwired Smoke Alarm with 10-Year Battery Backup uses First Alert's Precision Detection advanced sensing technology and meets the latest industry standards. Interconnect multiple alarms together to help provide an early warning throughout your whole home. Secure peace of mind in knowing the 10-year battery backup provides continuous protection in the event of a power outage.

Easy To Install Hardwired Alarm

The SMI105-AC Interconnect Hardwired Smoke Alarm with 10-Year Battery Backup has superior features. This 8th generation smoke detector includes a hardwire quick connect plug to help streamline the installation and replacement process. There is no need to rewire. Use the test/silence button to make sure the alarm is functioning correctly. The alarm also includes an end of life warning that will notify you when it’s time to replace.

Backup Battery Provides Continuous Protection

In the event of a power outage, the hardwired smoke alarm is equipped with a 10-year battery backup for continued protection. The 10-year backup battery means no battery replacements are necessary for the life of the detector - eliminating low battery chirps and the hassle of replacing the batteries. Help stop unwanted removal of the alarm by using the optional locking feature.

Hardwired Early Warning Interconnect

Install as a single smoke detector or interconnect multiple alarms together to create an alarm system throughout your whole home. All hardwired interconnected detectors will sound when one in the series is initiated to help provide an early warning and time to safely escape. Integrate with up to 12 other First Alert or BRK alarms and 6 other compatible devices. Please reference user's manual for compatible alarms. The latching detector indicator will visually distinguish the unit that initiated the alarm if the system sounds.

Upgrade to 8th Generation Alarms

First Alert’s Precision Detection Advanced Sensing Technology complies with the most recent safety regulations. As a result, this smoke alarm is more effective at telling the difference between non-threatening cooking smoke and actual fire hazards. Furthermore, 8th edition smoke alarms are capable of sensing smoke produced by burning synthetic materials, which are frequently found in today’s homes. This leads to fewer unnecessary false alarms and provides vital early alerts during real fire emergencies.

Specifications:

Features:

• 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 hardwired detector
• Test/silence button for efficient testing to ensure alarm is working properly
• First Alert 8th Generation Smoke Detector meets the latest industry standards.