Similar to: First Alert SMI100-AC Smoke Alarm

This hardwired unit offers the ultimate peace of mind by linking up to 18 alarms throughout your home, ensuring that a fire in the basement triggers an alert in the bedroom. While the ionization sensor is specifically tuned for fast-flaming fires, the battery backup guarantees you remain protected even when the power grid fails.

This is the no-nonsense standard for home safety that prioritizes reliability over fancy smart-home connectivity. It lacks app notifications or remote monitoring, but the straightforward, battery-backed design ensures you get a loud, immediate alert exactly when it matters most.

This hardwired essential prioritizes rapid detection, using ionization technology to catch invisible fire particles before they spread. While the installation requires a bit more effort than a simple peel-and-stick model, the peace of mind provided by its interconnectable network and reliable battery backup makes it a non-negotiable upgrade for any home.