Battery Vs Wired

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battery operated vs hard wired smoke alarms
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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 Electric Hardwired Ionization Smoke and Fire Alarm with Battery Backup

Model: 5304
(172)
$13.95 Save: $6.00
Availability: In Stock

USI Electric 15 Amp GFCI Receptacle Duplex Outlet, White

Model: G1315TRWH
(1)
$14.95 Save: $5.00
Availability: In Stock

USI Bedroom 2-in-1 Smoke and Fire Alarm, 10 Year Sealed Battery

Model: MI3050SB
(48)
$19.95 Save: $10.00
Availability: In Stock

USI 4-in-1 Hardwired Smart Alarm with Smoke, Fire, CO and Gas Detection

Model: MDSCN111
(62)
$49.95 Save: $30.00
Availability: In Stock

USI Sensing Plus Living Area 10 Year Battery Smoke and Fire Alarm

Model: AMIL3051SC
(5)
$27.95 Save: $12.00
Availability: In Stock

USI Electric Hardwired LED Wall Mounted Smart Strobe Light

Model: SLW127
(2)
$74.95 Save: $25.00
Availability: Clearance

USI Electric Hardwired 2-in-1 CO and Natural Gas Alarm, Battery Backup

Model: MCN108
(70)
$41.95 Save: $13.00
Availability: In Stock

Combination Smoke and Carbon Monoxide Alarms

Protection from smoke, fire, carbon monoxide and explosive gas!

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

Where to Place Carbon Monoxide Alarms in Your Home

Carbon monoxide (CO) is an odorless, colorless gas that can be deadly. It's produced by burning fuels like gasoline, wood, natural gas, and propane. Inhaling CO can cause flu-like symptoms, dizziness, nausea, and even death. Having working carbon monoxide alarms in your home is crucial to protect yourself and your family from CO poisoning....


Do Carbon Monoxide Alarms Detect Natural Gas Leaks?

No, carbon monoxide (CO) alarms cannot detect natural gas leaks. Although they don't directly detect natural gas, CO alarms can still play a crucial role in protecting your safety....


Why is my USI Electric Smoke Detector Beeping? (And Other Questions Answered)

The USI Electric Smoke Detector chirping indicates a Your USI Electric Smoke Detector may be beeping due to a "low battery" condition, meaning the battery needs to be replaced. Battery powered smoke alarms will chirp a minimum of 30 days before the battery completely loses power....

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