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

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Featured Products

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
USI Hardwired Smoke and Carbon Monoxide Alarm With 10 Year Battery Backup and Sensing Plus Technology - AMIC1510SB

Hardwired Combo Smoke and Carbon Monoxide Alarm with 10 Year Battery Backup

Model: AMIC1510SB
(16)
$59.95 Save: $20.00
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 Living Room Smoke Alarm With Sensing Plus Technology - AMIL3051SC

10 Year Sealed Battery Living Room Smoke and Fire Alarm

Model: AMIL3051SC
(5)
$29.95 Save: $10.00
Availability: Clearance
USI Electric Hardwired Carbon Monoxide and Natural Gas Smart Alarm with Removable Battery Backup - MCN108

Hardwired Carbon Monoxide and Natural Gas Alarm with Battery Backup

Model: MCN108
(71)
$69.95 Save: $20.00
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 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)
$29.95 Save: $9.00
Availability: In Stock
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

Compliant With New Smoke Alarm Laws

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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

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....


10-Year Sealed Battery Smoke Alarms: Peace of Mind for a Decade

Traditional smoke alarms require battery changes every six months to a year. This can be annoying, and sometimes, it simply falls through the cracks. 10-year sealed battery smoke alarms eliminate this concern entirely....

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