Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with Battery Backup. Smart Interconnect, interconnects with most First Alert and BRK hardwired alarms. When one alarm sounds, all compatible alarms sound (up to 12 smoke alarms and 6 other CO/heat alarms).
Features
Direct wire-in with 9V battery backup. Hardwired with battery backup for protection during power outages
Perfect mount for easy installation. Mounting bracket keeps the alarm secure over a wide rotation range for ideal alignment
Latching alarm indicator, visually identifies unit that initiated alarm or low battery
Test/Silence Button, temporarily silence or test the alarm with one-touch easy access button
Dust cover, keeps the alarm clean during construction
Earn $16.57 in rewards, with 5% back¹, plus more exclusive perksEarn $16.57 in rewards, with 5% back¹, plus more exclusive perks
Get $40 off your qualifying first order of $250+** with the Wayfair Credit Card! Valid through 5/7/2026.Get $40 off your qualifying first order of $100+** with the Wayfair Credit Card! Valid through 5/7/2026.
