First Alert Hardwire Interconnect Smoke & CO Alarm with 10-Year Sealed Lithium Battery Backup (SMICO105-AC) best-selling The sleek design features a

The sleek design features a curved handle and ergonomic spray head

The First Alert SMI105-AC Interconnect Hardwire Smoke Alarm with 10-Year Battery Backup uses First Alert's Precision Detection advanced sensing technology and meets the latest industry standards

With the toggle button on the spray head

The Moen Smart Leak Detector is a standalone sensor that can go anywhere in your home to alert you when and where it detects moisture to help prevent water damage

Two AA batteries are included

First Alert Hardwire Interconnect Smoke & CO Alarm with 10-Year Sealed Lithium Battery Backup (SMICO105-AC) best-selling The sleek design features aInstall 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.