First Alert Hardwire Interconnect Smoke & CO Alarm with 10-Year Lithium Battery Backup

Install convenient 2-in-1 protection against both smoke and carbon monoxide with the First Alert SMICO105-AC Hardwire Interconnect Smoke and CO Alarm with 10-Year Battery Backup. Meets new industry standards and can interconnect with other compatible detectors to create a whole home alarm system to help provide an early warning.

• Smoke and carbon monoxide alarm for reliable 2-in-1 protection.
• First Alert's Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provide an early warning in the event of a home fire emergency.
• The unit has an 85-decibel alarm.
• Through the early warning interconnect, when one alarm sounds, all compatible alarms will sound.
• An alarm indicator visually identifies the unit that initiated the alarm.
• Includes a test/silence button for efficient testing to ensure the alarm is working properly.
• An end-of-life warning lets you know when it’s time to replace the detector.
• The 10-year battery backup provides continuous protection during power outages.

10-year limited manufacturer warranty.