Help protect what matters most with First Alert fire safety products—smoke alarms, CO detectors, and home protection solutions trusted by families nationwide.

Available in 10-year sealed battery, battery and hardwire power sources, First Alert smoke alarms are also equipped with features such as interconnect, voice and location alerts, escape light and more to …

Alarm Beeps: What does the Horn sound like and indicate on a First Alert Alarm? Learn More >

Protect your home with First Alert pro-installed security systems—smart alerts, security cameras, video doorbells & 24/7 monitoring. Find a local expert today.

This hardwired smoke and fire detector can connect and communicate with up to 18 compatible alarms, so when one is triggered, the entire system will sound. Equipped with battery backup, this smoke and …

First Alert offers a variety of smoke and carbon monoxide alarms to help provide an early warning in the event of an emergency including 2-in-1 devices and smart alarms that integrate with top smart home …

First Alert fire safety products, smoke, and carbon monoxide alarm systems for the home can be purchased at the First Alert Store Online or at the retailers like Amazon, Walmart, BestBuy and more.

Backed by decades of experience and rigorous testing, First Alert products are built to meet the highest standards - so you can count on them when you need them most. From smart detection to …

The First Alert® SM100V-AC Interconnect Hardwire Smoke Alarm with Battery Backup and Voice and Location Alerts meets the latest industry standards and is equipped with First Alert's Precision …

First Alert has been helping families and businesses stay safe for over 50 years. By having a First Alert Security System, you’re taking the first step in protecting your home or business from damage or theft.