Top 9 USI Smoke Detector – Smoke & Carbon Monoxide Alarms

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1. Universal Security Instruments

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USI Electric MICN109 Hardwired 3-in-1 Smoke, Carbon Monoxide and Natural Gas Alarm

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Universal Security Instruments #ad - 120-volt ac/dc hardwired alarm with backup battery is suitable for houses, apartments and mobile homes. 3-in-1 alarm provides triple the protection with a single installation to protect against fires, carbon monoxide and natural gas. Mount the bracket to any standard wiring junction box and use the large mounting base to cover imperfections in drywall. Comes with a 7 year limited warranty. Features a quick activation pull-tab and a front-loading battery drawer for replacement without removing the alarm from the bracket.
BrandUniversal Security Instruments #ad
ManufacturerUniversal Security Instruments #ad
Height5.5 Inches
Length5.5 Inches
Weight0 Pounds
Width1.75 Inches
Part NumberMICN109
ModelMICN109

2. Kidde

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Kidde 21026043 Battery-Operated Not Hardwired Combination Smoke/Carbon Monoxide Alarm with Voice Warning KN-COSM-BA

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Kidde #ad - Refer to the pdF attached below in the technical specification for manual. The battery door will not close unless the batteries are properly installed. Test/reset button and leds – tests alarm circuitry and triggers the voice announcement. Humidity range: 10 percent to 95 percent relative humidity non-condensing.

Voice alarm – announces the hazard type detected thereby helping to speed up the correct reaction to the hazard detected. Battery - provides protection even during power outages when many fire and carbon monoxide incidents occur. The unit warns of a low battery condition by announcing “low battery” and by initiating an alarm chirp and activating a flashing red LED. Flashing green for normal operation and flashing red for alarm condition. Voice announcements - hush feature temporarily silences nuisance alarms with “hush mode activated” and “hush mode cancelled” voice announcement.

Alarm announces “fire” when a smoke or fire hazard is detected and announces “Warning, Carbon Monoxide” when a CO hazard is detected. Temperature range: 40˚F 4. 4˚c to 100˚f 37. 8˚c. If the alarm had detected a co level of 100 ppm or higher, the unit will announce “Carbon Monoxide Previously Detected” to warn of the CO incident, when the Test/ Reset button is pressed.
BrandKidde #ad
ManufacturerKidde Safety #ad
Height5.6 Inches
Length1.8 Inches
Width5.6 Inches
Part Number21026043
Model21026043
Warranty5-year limited warranty

3. Universal Security Instruments

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Model SS-901-2C/3CC Pack of 2, Universal Security Instruments Battery-Operated Photoelectric Smoke and Fire Alarm, 2-Pack

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Universal Security Instruments #ad - Responds quickly to slow-smoldering fires to protect your family against deadly threats. Comes with a five-year limited warranty — Pack of two. Comes with a protective cover. Designed for a far more swift installation process. No additional wiring required.
BrandUniversal Security Instruments #ad
ManufacturerUniversal Security Instruments #ad
Height12.38 Inches
Length7 Inches
Width3.25 Inches
Part NumberSS-901-2C/3CC
ModelSS-901-2C/3CC

4. Craftmade

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Model MCN108, Universal Security Instruments Hardwired 2-in-1 Carbon Monoxide & Natural Gas Smart Alarm with Battery Backup

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Craftmade #ad - Comes with a seven-year limited warranty. Bracket mounts to any standard wiring junction box. Suitable for houses, apartments, and mobile homes. Features a quick activation pull-tab and a front-loading battery drawer for replacement without removing the alarm from the bracket. 2-in-1 alarm provides double the protection with a single installation to protect against carbon monoxide and natural gas.
BrandCraftmade #ad
ManufacturerUniversal Security Instruments #ad
Height5.5 Inches
Length5.5 Inches
Weight0.63 Pounds
Width1.75 Inches
Part NumberMCN108
ModelMCN108
WarrantyAll products purchased have a 30-day replacement parts policy to ensure a fully working item. All products are covered under a 1-year warranty when purchased on amazon. The warranty period begins on the day the product is originally shipped. The warranty covers all of the items and conditions identified in the original manufacturers warranty. Some of the items specifically not covered by the warranty are loss and theft, water damage, customer abuse, and finish detoriation due to uv or coastal exposure.

5. Universal Security Instruments

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Model MI106S, Universal Security Instruments Hardwired 10 Year Tamper Proof Permanent Power Sealed Battery 2-in-1 Universal Smoke Sensing Smoke and Fire Smart Alarm

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Universal Security Instruments #ad - Fully interconnectable with up to twenty-four USI-compatible devices. Alkaline batteries are safer and more eco-friendly dispose than lithium batteries. Suitable for houses, apartments, and mobile homes. Brackets mount to any standard wiring junction box. 2-in-1 universal smoke sensing Technology USST responds quickly to both fast-flaming and slow-smoldering fires. Includes 10 year permanent power Alkaline Batteries. Comes with a ten-year limited warranty.
BrandUniversal Security Instruments #ad
ManufacturerUniversal Security Instruments #ad
Height5.75 Inches
Length1.75 Inches
Width5.75 Inches
Part NumberMI106S
ModelMI106S
Warranty10-Year Limited Warranty

6. Universal Security Instruments

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Universal Security Instruments Battery-Operated Ionization Smoke and Fire Alarms, 6-Pack, Model SS-770-6CC Pack of 6

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Universal Security Instruments #ad - Comes with a 5 year limited warranty. Ionization smoke and fire Alarm responds quickly to fast-flaming fires to protect your family against deadly threats in the home. Fast and easy to install with no wiring required. 9-volt battery included operates the alarm and continues protection in the event of a power outage. Features a convenient silencer button to temporarily quiet a non-hazardous alarm and Smart Interconnect to connect up to 18 units.
BrandUniversal Security Instruments #ad
ManufacturerUniversal Security Instruments #ad
Part NumberSS-770-6CC
ModelSS-770-6CC
Warranty5-Year limited

7. Universal Security Instruments

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Model MDSCN111, Universal Security Instruments 4-in-1 Universal Smoke-Sensing Technology Hardwired Smart Alarm

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Universal Security Instruments #ad - Suitable for houses, apartments, and mobile homes. Designed with aback-up battery. Features a quick activation pull-tab and a front-loading battery drawer for replacement without removing the alarm from the bracket. 4-in-1 smart alarm protects against fast-flaming fires, smoldering smoke, carbon monoxide and natural gas or methane. Comes with a seven-year limited warranty.
BrandUniversal Security Instruments #ad
ManufacturerUniversal Security Instruments #ad
Height1.75 Inches
Length5.75 Inches
Weight1 Pounds
Width10 Inches
Part NumberMDSCN111
ModelMDSCN111

8. Universal Security Instruments

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Universal Security Instruments 10 Year Tamper Proof Permanent Power Sealed Battery 2-in-1 Smoke and Fire Smart Alarm, Model MI3050SB,white

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Universal Security Instruments #ad - Includes 10 year permanent power Alkaline Batteries. Features microprocessor intelligence to virtually eliminate nuisance alarms. Patented quick find Alarm Origination- Easily Locate the first alarm that sounded. 2-in-1 smoke and fire smart alarm provides 10 years of continuous protection against fast flaming and slow smoldering fires. Alkaline batteries are safer and more eco-friendly dispose than lithium batteries. Fast and easy to install, no wiring required.
BrandUniversal Security Instruments #ad
ManufacturerUniversal Security Instruments #ad
Height5.75 Inches
Length1.75 Inches
Width5.75 Inches
Part NumberMI3050SB
ModelMI3050SB
Warranty10-Year Limited Warranty

9. Universal Security Instruments

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Universal Security Instruments Hardwired Ionization Smoke and Fire Alarm with Battery Backup, Model MI106

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Universal Security Instruments #ad - Ambient condition compensation adjusts sensitivity based on temperature and humidity, reducing nuisance alarms. Comes with a ten-year limited warranty. Interconnectable with all USI-brand 120V alarms using existing wiring. Dual ionization-sensing chamber responds quickly to fast-flaming fires. Patented quick find alarm origination easily identifies the first alarm to sound in interconnected systems.
BrandUniversal Security Instruments #ad
ManufacturerUniversal Security Instruments #ad
Height5.75 Inches
Length1.75 Inches
Width5.75 Inches
Part NumberMI106
ModelMI106
Warranty10 Years