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Sensing Plus® Multi Criteria Smoke Alarms

Sensing Plus Alarms

Bring your home or properties up to code with Universal Security Instruments Sensing Plus® Alarms. 10 Year Sensing Plus® Alarms respond to both fast flaming and slow smoldering fires (includes polyurethane fires that tend to burn quicker). This selection includes 2-in-1 Smoke and Fire Detectors as well as 3-in-1 Smoke, Fire & Carbon Monoxide Detectors.
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Smoke & Fire Alarms

Smoke & Fire Alarms

Universal Security Instrument smoke and fire alarms are your premier defense against slow and fast acting fires. Here you can find 10 Year battery alarms, photoelectric smoke alarms, patented universal smoke sensing alarms and more!

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Battery Operated Smoke Alarms

Battery Operated Smoke Alarms

USI Battery Operated Smoke Alarms expand the number of installation options by bypassing the traditional hardwired setup. Available as standalone and combination alarms, USI Battery Powered Smoke Detectors offer a wealth of versatility.
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Hardwired Smoke Alarms

Hardwired Smoke Alarms

USI Hardwired Smoke Alarms can easily be plugged into your home's preexisting system. All Universal Security Instruments Hardwired Smoke Detectors feature a battery backup that will continue to operate in the event of a power outage, ensuring optimal protection.
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Carbon Monoxide Alarms

Carbon Monoxide Alarms

Protect your home from the silent killer with state of the art carbon monoxide detectors from Universal Security Instruments including: plug-in carbon monoxide detectors, hardwired co alarms and combination co, smoke and gas alarms.

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Battery Operated Carbon Monoxide Alarms

Battery Operated Carbon Monoxide Alarms

USI Battery Operated Carbon Monoxide Alarms implement 10 year permanent power via a lithium-free battery that ensures long lasting co detection. All USI battery powered detectors include built-in microprocessor intelligence that virtually eliminates nuisance alarms, ensuring you and your surroundings are warned of actual dangers.
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Hardwired Carbon Monoxide Alarms

Hardwired Carbon Monoxide Alarms

USI Hardwired Carbon Monoxide Alarms are available as combination detectors that offer protection against multiple threats. With the correct setup, you'll be able to safeguard your home or place of business from the many dangers associated with undetected co, natural gasses and smoke.
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Plug In Carbon Monoxide Alarms

Plug In Carbon Monoxide Alarms

USI Plug In Carbon Monoxide Alarms offer extreme flexibility as they can easily be inserted into an outlet (no additional wiring necessary). 120v plug-in carbon monoxide alarms are also capable of sensing natural gas (methane).
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Natural Gas Alarms & Home Gas Leak Detectors

Natural Gas Alarms

USI Natural Gas Alarms are capable of detecting both natural gas (methane) as well as carbon monoxide. Available as 120v plug-in natural gas alarms or hardwired natural gas detectors, USI Natural Gas Detectors offer versatile installation options backed by reliable technology.
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Combination Alarms

Combination Alarms

USI combination detectors allow for multiple threat detection packed into one convenient alarm. Featuring combo carbon monoxide and natural gas alarms and combination smoke, co and gas detectors.

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10 Year Sealed Battery Alarms

10 Year Battery Alarms

10-year sealed battery smoke, fire and carbon monoxide alarms offer permanent power and continuous protection in the event of a power outage. Universal Smoke Sensing Technology combines the benefits of both photoelectric and ionization technology in one alarm.
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Accessories

Accessories

Add more functionality to an already diverse line of smoke and fire alarm products with USI's alarm accessories and more including: smoke alarm relay module, tamper-resistant duplex outlets and emergency lighting system.

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Outlet Safety & Wiring Devices

Outlet Safety & Wiring Devices

Electrical outlet protection is widely overlooked within the home. USI Electric Automatic self-testing duplex outlets ensure continuous outlet safety. Sold in 15 amp and 20 amp models with weather resistant also available for outdoor use.
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UniversalSecurityStore.com is the definitive outlet for purchasing elite products and accessories that excel in establishing the ultimate in peace of mind. Our catalogue features an excellent assortment of Smoke and Fire Alarms that utilize Photoelectric and Ionization Sensors. We also carry an assortment of Carbon Monoxide Alarms that come in the 2-in-1, 3-in-1 and 4-in 1 variety that perform exceptionally well in alerting owners of Carbon Monoxide and Natural Gas Leaks. Combination Alarms have also been included and are capable of detecting multiple hazards simultaneously. Entirely exclusive to the USI Brand, Universal Smoke Sensing Alarms represent the absolute best in terms of offering maximum coverage. Universal Smoke Sensing Alarms respond quickly to both fast-flaming and slow-smoldering fires.

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