BRK Smoke and Carbon Monoxide Detector Combination Alarms, SMI105-AC Smoke Detector Hardwired with 10-Year Battery Backup, 1 Pack

Stay Safe Even With a Power Failure - If your power goes out, this first alert smoke detector will continue functioning with the smoke detector's always-on 10 year battery backup.

Ring One, Ring All - In the event of a safety threat, all connected alarms will sound to help provide an early warning to your entire household. A visual indicator on the smoke alarm identifies the unit that initiated the alarm. This fire alarm can connect with up to 12 other First Alert or BRK Detectors and six other compatible devices. .

Hassle-Free Installation - You can easily install and replace your existing hardwired smoke detector and carbon monoxide detector using our innovative hardwired quick-connect plug without needing to rewire your home's electrical system.

Tired of Too Many False Alarms? - First Alerts Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provide early warning in the event of a home fire emergency.

End-of-life Warning - To ensure your ongoing safety and peace of mind, this wired smoke detector will alert you when it is time to replace the alarm.

The First Alert SMICO105-AC hardwired smoke and carbon monoxide detector offers reliable 2-in-1 protection against both smoke and carbon monoxide. Featuring superior functionality, the hardwired Interconnect combo smoke and co2 detector with a 10-year Battery Backup meets new industry standards. It can operate independently or be interconnected with other compatible detectors to create a comprehensive home alarm system for early warning in emergencies. When one wired smoke and carbon monoxide detector sounds, all connected alarms will activate, providing a timely alert for fire or carbon monoxide threats. You can integrate this smoke alarm and carbon monoxide detector with up to 12 other First Alert or BRK detectors and 6 additional compatible devices. Please consult the user’s manual for a list of compatible alarms. If the interconnected alarm system is triggered, the latching alarm indicator will visually identify which unit initiated the alert. The hardwired quick-connect plug allows for easy installation and replacement of existing hardwired detectors without the need to rewire your home's electrical system. The SMICO105-AC Interconnect Combination smoke and co2 detector combo is designed for hardwired installation but with its 10-year battery backup, it ensures continuous protection even during power outages. An optional locking feature helps prevent unauthorized removal of the alarm. For easy maintenance, the 10-year backup battery eliminates the need for battery replacements for a decade. Use the test/silence button to test the combination detector regularly to check that it is working properly and silence false alarms. Detectors don't last forever; the end-of-life warning will indicate when it's time to replace the alarm. See the user's manual for how and when to test and replace alarms.