First Alert SMICO105-AC Interconnect Hardwire 2-in-1 Smoke & Carbon Monoxide Alarm — 3-Pack with 10-Year Battery

Smart, reliable protection for every room

The First Alert SMICO105-AC combines smoke and carbon monoxide detection in a single, easy-to-manage unit. Designed to align with the latest industry standards, it aims to deliver timely warnings without overreacting to everyday steam or cooking odors. This hardwired alarm includes a 10-year battery backup for continued monitoring during power outages and supports installation as part of a multi-unit safety network.

What makes it work

Engineered for accuracy, the system prioritizes true threats while reducing false alarms. When used with other compatible First Alert alarms, it forms a coordinated network that can alert your entire home at once for faster awareness during emergencies.

• Precision detection helps reduce nuisance alarms while offering early warnings in emergencies.
• 10-year battery backup maintains monitoring during power outages for ongoing safety.
• Interconnect capability ensures that when one alarm sounds, compatible units respond together.
• Quick Connect Plug allows installation without rewiring or complex wiring changes.
• Visual indicator clearly identifies the initiating unit for quick assessment and response.

Easy installation and everyday use

Whether you’re upgrading an existing system or building a new one, the plug-and-play approach simplifies setup. The Quick Connect Plug eliminates the need for rewiring, and the visual indicator helps you quickly locate the source of an alert. Available as a 3-pack, it’s designed to support a broader, interconnected safety network across multiple rooms.

• Simple, no-rewire installation that suits DIY enthusiasts and professionals alike.
• Clear, immediate feedback from the visual indicator supports fast responses.
• Ideal for homes seeking interconnected protection with minimal setup effort.

Real-world use cases and benefits

In open living spaces and kitchens, the system’s sensitivity can help reduce nuisance alarms while still providing timely warnings. For bedrooms and hallways, you gain the advantage of early CO detection and coordinated alerts across floors when paired with compatible units. If there’s a power outage, the 10-year battery backup keeps monitoring active, helping maintain peace of mind throughout the home.

Note: This description reflects the product’s design as a proactive safety device that supports early warnings. Always review local codes and plan coverage to fit your home layout and safety needs.