USI Electric Smoke Detectors, Carbon Monoxide and Natural Gas Alarms

Battery Vs Wired

We have you covered, find the perfect alarm to fit your installation and safety needs.

Help Me Choose
battery operated vs hard wired smoke alarms
best smoke alarm

Dual protection that's capable of sensing the presence of both slow smoldering & fast flaming fires.

Shop Multi-Criteria Detection

Featured Products

USI Hardwired Dual Sensor Smoke Alarm with 10 Year Battery Backup and Sensing Plus Technology - AMI1061SB

Hardwired Dual Sensor Smoke Alarm with Battery Backup

Model: AMI1061SB
(7)
$37.95 Save: $12.00
Availability: In Stock
USI 10 Year Sealed Battery Smoke Alarm and Carbon Monoxide Detector With Sensing Plus Technology - AMIC3511SB

10 Year Sealed Battery Combo Smoke and Carbon Monoxide Alarm

Model: AMIC3511SB
(16)
$64.95 Save: $10.00
Availability: In Stock
USI Plug In Carbon Monoxide and Natural Gas Smart Alarm with Battery Backup - MCN400B

Plug-In Carbon Monoxide and Natural Gas Smart Alarm with Battery Backup

Model: MCN400B
(17)
$39.95 Save: $15.00
Availability: In Stock
USI Digital Plug In Natural Gas and Carbon Monoxide Alarm with Battery Backup - MCND401B

Plug-In Carbon Monoxide and Natural Gas Alarm with Display and Battery Backup

Model: MCND401B
(31)
$49.95 Save: $15.00
Availability: In Stock
USI 10 Year Battery Smoke and Fire Alarm With Sensing Plus Technology - AMI3051SB

10 Year Sealed Battery Smoke and Fire Alarm

Model: AMI3051SB
(6)
$32.95 Save: $7.00
Availability: In Stock
USI Electric Hardwired LED Wall Mounted Smart Strobe Light (SLW127)

Hardwired LED Wall Mounted Smart Strobe Light

Model: SLW127
(2)
$74.95 Save: $25.00
Availability: Clearance
USI 10 Year Sealed Battery Digital Carbon Monoxide Smart Alarm - MCD305SB

10 Year Sealed Battery Carbon Monoxide Alarm with Digital Display

Model: MCD305SB
(17)
$44.95 Save: $5.00
Availability: Clearance
USI 10 Year Sealed Battery Carbon Monoxide Smart Alarm - MC304SB

10 Year Sealed Battery Carbon Monoxide Smart Alarm

Model: MC304SB
(15)
$36.95 Save: $13.00
Availability: In Stock

Compliant With New Smoke Alarm Laws

View New Alarms

Battery Operated Smoke Detectors

View Battery Alarms

Hardwired Smoke Detectors

View Hardwired Alarms
how to replace the usi1204 alarm
Replace Your USI-1204 Smoke & Fire Alarm With A Comparable Model

Replacing our popular USI-1204 smoke detector with a newer model can be down with 4 simple steps. We also provide 3 recommened replacement models based on your needs and budget.



universal secuirty instruments, usi electric news and products

Why a Smart, 3-in-1 Smoke, Fire and Carbon Monoxide Alarm is a Modern Necessity

Offering advanced protection that goes far beyond a traditional smoke detector, This combination alarm is designed to protect your home and family....


Upgrade to the Latest Technology: USI's Sensing Plus 8th Generation Smoke Detectors

8th generation smoke alarms, also known as 8th generation smoke detectors, represent a significant leap in fire safety technology for homes. ...


Peace of Mind and Safety: Why You Need a Natural Gas Alarm in Your Home

A leak can go unnoticed, potentially leading to explosions or carbon monoxide poisoning. That's why having a USI natural gas alarm with carbon monoxide detection is crucial for protecting yourself and your loved ones....

0 $0.00
Top