Our patented Universal Smoke Sensing Technology is based on years of research into fast and accurate detection of threats from fast flaming and slow smoldering fires. These smoke alarms can distinguish between cooking smoke and real fire, significantly reducing nuisance alarms. Some alarms also include Carbon Monoxide detection in the same unit, and then back many of our alarms with 10-Year Permanent Power™ Sealed Battery, which never needs replacing.Learn More ›
Smoke & Fire Carbon Monoxide
This means the end of nuisance alarms and low battery chirps—key reasons why people intentionally disable their smoke detectors. Our 10 yearPermanent Power™ battery technology helps keep you safe, because working smoke alarms are an important factor in surviving a home fire.Learn More
10 Year Permanent Power
When it comes to carbon monoxide and natural gas leaks, early detection and warnings can give you the few seconds you need to survive a deadly fate. The leading cause of poisoning deaths in the U.S., carbon monoxide leaks can lead to long-term physical and emotional distress.Learn more
Carbon Monoxide Natural Gas
The 4 in 1 alarm protects against slow smoldering fire, fast flaming fire, CO and natural gas.
National Fire Protection Association warns about disabling smoke alarms.
The USI IoPhic smoke and fire alarm found to be an improved technology.
The battery that never needs replacing and means the end of low battery chirps.
USI (Universal Security Instruments, Inc.) makes the most innovative home protection solutions available today. Since our founding in 1969, we’ve become one of the largest manufacturers of smoke and carbon monoxide alarms in the world. We hold 11 patents on detection technologies, based on our proprietary research...More About Us >
Homeowners will appreciate that you’ve chosen our unique IoPhic® Smart Alarm® technology—the leading solution for detecting threats from smoke, carbon monoxide and natural gas—to protect their family...Contractors support >