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 15 Amp Self Test GFCI Tamper-Resistant Receptacle Duplex Outlet, White - G1315TRWH

USI Electric 15 Amp GFCI Receptacle Duplex Outlet, White

Model: G1315TRWH
(1)
$14.95 Save: $5.00
Availability: In Stock
USI Automatic Emergency Lighting System with Variable Brightness Night Light (HE-430N)

USI Automatic Emergency Lighting System

Model: HE-430N
(5)
$33.95 Save: $16.00
Availability: In Stock
Universal Security Instruments Sensing Plus Multi Criteria Living Area Smoke and Fire Alarm With 10 Year Tamper Proof Sealed Battery (AMIL3051SC)

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

Model: AMIL3051SC
(5)
$27.95 Save: $12.00
Availability: In Stock
USI 4-in-1 Hardwired Universal Smoke Sensing Smart Alarm Smoke, Fire, CO and Natural Gas Detection (MDSCN111)

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

Model: MDSCN111
(62)
$49.95 Save: $30.00
Availability: On Order
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USI Electric Hardwired 2-in-1 Carbon Monoxide and Natural Gas Smart Alarm with Battery Backup (MCN108)

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

Model: MCN108
(70)
$42.95 Save: $12.00
Availability: In Stock
USI 3-in-1 Hardwired Smoke, Fire and Carbon Monoxide Smart Alarm with 10 Year Tamper-Proof Sealed Battery (MIC1509S)

USI 3-in-1 Universal Smoke and Carbon Monoxide 10 Year Smart Alarm

Model: MIC1509S
(159)
$48.95 Save: $21.00
Availability: In Stock
USI Electric Hardwired Ionization Smoke and Fire Alarm with Battery Backup (5304)

USI Electric Hardwired Ionization Smoke and Fire Alarm with Battery Backup

Model: 5304
(172)
$13.95 Save: $6.00
Availability: In Stock
USI Bedroom 2-in-1 Smoke and Fire Smart Alarm with 10 Year Sealed Battery and Universal Smoke Sensing Technology (MI3050SB)

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

Model: MI3050SB
(48)
$19.95 Save: $10.00
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

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....


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....

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