
Trusted Protection for What Matters Most
With cutting edge technology and a track record in home security of over 50 years, we make precision instruments for the home that you can rely on.
Find the right smoke alarm to fit your needs and your home.
Smoke & Fire Alarms
View AllSmoke, Fire and Carbon Monoxide Alarms
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Multi-criteria Detection for Faster Response
Multi-criteria Detection
Experience dual protection with our advanced sensing technology, designed to detect both slow smoldering and fast flaming fires. Our Multi-Criteria Detection system enables earlier identification of fires, especially those caused by modern building materials, ensuring enhanced safety for your home or business.

Hassle-Free Setup.
Easy Installation
Enjoy a seamless installation experience that can be completed in just a few minutes. It comes with mounting bracket and all the essential hardware, ensuring that you have everything you need for a quick and straightforward setup. Say goodbye to complicated instructions and hello to effortless assembly!

Test & Silence in One Touch
Easy Test / Silence Button
Quickly silence accidental triggers, such as cooking smoke or steam, reducing disruption while keeping the alarm active. Easily silence false alarms without disabling the device, ensuring dependable home safety.

Reliable Protection, No Disruptions
Superior False Alarm Resistance
Minimize nuisance alarms from cooking by employing advanced technology that reduces false triggers. This enables you to cook uninterrupted while still ensuring safety from genuine fire risks.

Why Choose Us?
Trusted Protection
- Trusted in Home Safety for 50+ Years
- Highly Rated products by Consumer Reports
- Patented Technology
- Compliant with UL 8th edition and later
- Lithium-free 10-year battery options
Resources
How to Choose the Right Smoke Alarms for Your Home
Learn MoreSmoke alarm technology primarily uses either ionization or photoelectric sensors, with ionization alarms generally detecting fast, flaming fires and photoelectric alarms detecting slower, smoldering fires.
Ideal Placement for Smoke Alarms
Learn MoreSmoke alarm technology primarily uses either ionization or photoelectric sensors, with ionization alarms generally detecting fast, flaming fires and photoelectric alarms detecting slower, smoldering fires.
Alarm Maintenance and Replacement: Keep Your Home Safe with USI
Learn MoreMaintaining and replacing your smoke alarms is key to fire safety. USI helps you keep them in top shape for peace of mind and protection at home.
Local and Federal Regulatory Standards
Ensure your home is protected with reliable smoke alarms that meet all current national safety regulations. Stay informed and make the right choice— Learn more about regulatory standards and how they impact your smoke alarm requirements.