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    Best Seller
    Universal Security Instruments 976LR 9V Smoke and Fire Alarm with Quick Change Battery Installation

    Universal Security Instruments 976LR 9V Smoke and Fire Alarm with Quick Change Battery Installation

    The Universal Security Instruments 976LR Battery-Operated Ionization Smoke and Fire Alarm responds quickly to fast-flaming fires to protect your family against deadly threats in the home. This alarm is operated by a nine-volt super heavy-duty battery... more

    $12.00

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    M Series Plug-In Carbon Monoxide and Natural Gas Alarm with 9-Volt Battery Backup

    M Series Plug-In Carbon Monoxide and Natural Gas Alarm with 9-Volt Battery Backup

    Click here for additional savings!

    The Universal Security Instruments Electric MCND401B Plug-In Carbon Monoxide and Natural Gas Smart Alarm is a 2-in-1 device that provides double the protection with a single installation. This dual-sensing alarm protects against two deadly household... more

    $36.70

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    Best Seller
    Universal Security Instruments MIC1509S Hardwired 3-in-1 Universal Smoke Sensing Carbon Monoxide Combination Alarrm with 10 Year Sealed Battery Backup

    Universal Security Instruments MIC1509S Hardwired 3-in-1 Universal Smoke Sensing Carbon Monoxide Combination Alarrm with 10 Year Sealed Battery Backup

    Universal Security Instruments MIC1509S 3-in-1 Universal Smoke Sensing Carbon Monoxide Combination Alarrm with 10 Year Sealed Battery. Available December 15, 2014. more

    $37.94

    FREE shipping

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    Universal Security Instruments MI3050 Battery-Operated Ionization Smoke and Fire Alarm

    Universal Security Instruments MI3050 Battery-Operated Ionization Smoke and Fire Alarm

    The Universal Security Instruments MI3050 Battery-Operated Ionization Smoke and Fire Alarm responds quickly to fast-flaming fires to protect your family against deadly threats in the home. This alarm is operated by a 9-volt alkaline battery (included)... more

    $17.99

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

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

    The Universal Security Instruments SS-901-2C/3CC Battery-Operated Photoelectric Smoke and Fire Alarm responds quickly to slow-smoldering fires to protect your family against deadly threats in the home. This alarm is operated by a heavy-duty 9-volt... more

    $20.99

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    Electric 4-in-1 Universal Smoke Sensing (IoPhic) Hardwired Smart Alarm

    Electric 4-in-1 Universal Smoke Sensing (IoPhic) Hardwired Smart Alarm

    Click here for additional savings!

    The Universal Security Instruments Electric MDSCN111 4-in-1 Universal Smoke Sensing Smart Alarm provides quadruple the protection with a single installation. This 120-volt AC alarm protects against four deadly household threats: fast-flaming fires,... more

    $54.97

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    3-in-1 Smoke, Fire and Carbon Monoxide Smart Alarm with 10-Year Sealed Battery

    3-in-1 Smoke, Fire and Carbon Monoxide Smart Alarm with 10-Year Sealed Battery

    Click here for additional savings!

    The Universal Security Instruments MIC1509S 3-in-1 Smoke, Fire and Carbon Monoxide Smart Alarm provides 10 years of continuous protection against deadly threats in the home. New patented Universal Smoke Sensing Technology provides the benefits of both... more

    $40.56

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    Universal Carbon Monoxide Alarm

    Universal Carbon Monoxide Alarm

    2-in-1 Plug-In Carbon Monoxide + Natural Gas Alarm | Display Screen | Smart Alarm more

    $40.99

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    Carbon Monoxide | 10 Year Permanent Power Sealed Battery | Smart Alarm

    Carbon Monoxide | 10 Year Permanent Power Sealed Battery | Smart Alarm

    Carbon Monoxide | 10 Year Permanent Power Sealed Battery | Smart Alarm more

    $28.98

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    Carbon Monoxide Alarm

    Carbon Monoxide Alarm

    3-in-1 Ionization Smoke + Carbon Monoxide + Natural Gas | Hardwired | Smart Alarm more

    $38.99

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    Universal Security Instruments MICN109 3-in-1 IoPhic Smoke, Carbon Monoxide and Natural Gas Smart Alarm

    Universal Security Instruments MICN109 3-in-1 IoPhic Smoke, Carbon Monoxide and Natural Gas Smart Alarm

    Don't let emergencies sneak up on you, every home needs a smoke and carbon monoxide detector. Keep your family and friends safe with this preventative IoPhic Smoke, Carbon Monoxide and Natural Gas Smart Alarm. more

    $74.73 $40.25

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    MCN400B M Series Plug-In Carbon Monoxide and Natural Gas Alarm with 9-Volt Battery Backup, 3in1 Operated WiredIn Smoke Security piano 9Volt.., By Universal Security Instruments

    MCN400B M Series Plug-In Carbon Monoxide and Natural Gas Alarm with 9-Volt Battery Backup, 3in1 Operated WiredIn Smoke Security piano 9Volt.., By Universal Security Instruments

    Welcome to BigWorld. The USI Electric MCN400B Plug-In Carbon Monoxide and Natural Gas Smart Alarm is a 2-in-1 device that provides double the protection with a single installation. This dual-sensing alarm protects against two deadly household threats:... more

    $57.49

    FREE shipping

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    Hardwired Interconnected Smoke and Fire Alarm with Battery Backup

    Hardwired Interconnected Smoke and Fire Alarm with Battery Backup

    This USI Electric brand smoke and fire alarm has been redesigned to include more performance features than ever before. It provides improved nuisance alarm resistance. Nuisance alarms are the leading reason for intentionally disabled smoke alarms.... more

    $11.26

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    Hardwired Interconnected Smoke and Fire Alarm with Battery Backup

    Hardwired Interconnected Smoke and Fire Alarm with Battery Backup

    Microprocessor intelligence provides improved resistance to nuisance alarms caused by non-hazardous sources such as every day cooking smoke or steamy showers. Nuisance alarms are the leading reason for intentionally disabled smoke alarms. Working smoke... more

    $16.92

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    Hardwired Interconnected Smoke and Fire Alarm with Battery Backup

    Hardwired Interconnected Smoke and Fire Alarm with Battery Backup

    This USI Electric brand smoke and fire alarm has been redesigned to include more performance features than ever before. It provides improved nuisance alarm resistance. Nuisance alarms are the leading reason for intentionally disabled smoke alarms.... more

    $19.99

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    Universal Security Instruments 976LR 9V Smoke (Grey) and Fire Alarm with Quick Change Battery Installation

    Universal Security Instruments 976LR 9V Smoke (Grey) and Fire Alarm with Quick Change Battery Installation

    The Universal Security Instruments 976LR Battery-Operated Ionization Smoke and Fire Alarm responds quickly to fast-flaming fires to protect your family against deadly threats in the home. This alarm is operated by a nine-volt super heavy-duty battery... more

    $12.00

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    Universal Security Instruments USI-1227L 9V Ionization Alarm with Larger Mounting Bracket, Multicolor

    Universal Security Instruments USI-1227L 9V Ionization Alarm with Larger Mounting Bracket, Multicolor

    The USI Electric USI-1227L Battery-Operated Ionization Smoke and Fire Alarm responds quickly to fast-flaming fires to protect your family against deadly threats in the home. This alarm is operated by a nine-volt battery (included) and is suitable for... more

    $25.75

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    Universal Security Instruments SS-770-3P Battery Powered Ionization Smoke and Fire Alarm 3 Pack, White

    Universal Security Instruments SS-770-3P Battery Powered Ionization Smoke and Fire Alarm 3 Pack, White

    While we all hope for the best, it???s important to be prepared for the worst. Make your home a safer place with the Universal 3 Piece Value Pack General Purpose Smoke & Fire Alarm. This reliable alarm sounds an 85 decibel warning when smoke or fire is... more

    $11.71

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    Universal Security Instruments MC304SB Carbon Monoxide Smart Alarm with 10 Year Sealed Battery

    Universal Security Instruments MC304SB Carbon Monoxide Smart Alarm with 10 Year Sealed Battery

    The Universal Security Instruments MC304SB Carbon Monoxide Smart Alarm provides 10 years of continuous protection against the silent killer - carbon monoxide. Perfect for new or replacement installations, this maintenance-free alarm is suitable for... more

    $29.19

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    Universal Security Instruments MI3050SB 2-in-1 Smoke and Fire Smart Alarm with 10 Year Sealed Battery

    Universal Security Instruments MI3050SB 2-in-1 Smoke and Fire Smart Alarm with 10 Year Sealed Battery

    Nothing is more important than the safety of your family. The Universal Security Instruments MI3050SB 2-in-1 Smoke and Fire Smart Alarm provides 10 years of continuous protection against deadly threats in the home.. Universal Security Instruments are... more

    $37.13

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    Universal Security Instruments SS-770-3P Battery Powered Ionization Smoke and Fire Alarm, 3-Pack

    Universal Security Instruments SS-770-3P Battery Powered Ionization Smoke and Fire Alarm, 3-Pack

    Universal Security Instruments SS-770-3P Battery Powered Ionization Smoke and Fire Alarm, 3 Pack, are fast and easy to install - no wiring required. This is a perfect choice for new or replacement installations. The convenient 3-Pack contains three (3)... more

    $32.39

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    M Series Plug-In Carbon Monoxide and Natural Gas Alarm with 9-Volt Battery Backup

    M Series Plug-In Carbon Monoxide and Natural Gas Alarm with 9-Volt Battery Backup

    Click here for additional savings!

    The Universal Security Instruments Electric MCN400B Plug-In Carbon Monoxide and Natural Gas Smart Alarm is a 2-in-1 device that provides double the protection with a single installation. This dual-sensing alarm protects against two deadly household... more

    $28.34

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    USI Electric USI-1122L Battery-Operated Ionization Smoke Alarm

    USI Electric USI-1122L Battery-Operated Ionization Smoke Alarm

    The USI Electric USI-1122L Battery-Operated Ionization Smoke and Fire Alarm responds quickly to fast-flaming fires to protect your family against deadly threats in the home. This alarm is operated by a 10 year lithium battery (included) that never... more

    $17.99

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    3-in-1 Smoke, Fire and Carbon Monoxide Smart Alarm with 10 Year Sealed Battery

    3-in-1 Smoke, Fire and Carbon Monoxide Smart Alarm with 10 Year Sealed Battery

    Click here for additional savings!

    The Universal Security Instruments MIC3510SB 3-in-1 Smoke, Fire and Carbon Monoxide Smart Alarm provides 10 years of continuous protection against deadly threats in the home. New patented Universal Smoke Sensing Technology provides the benefits of both... more

    $37.92

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    Carbon Monoxide Smart Alarm with 10 Year Sealed Battery

    Carbon Monoxide Smart Alarm with 10 Year Sealed Battery

    Click here for additional savings!

    The Universal Security Instruments MC304SB Carbon Monoxide Smart Alarm provides 10 years of continuous protection against the silent killer - carbon monoxide. Perfect for new or replacement installations, this maintenance-free alarm is suitable for... more

    $23.40

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    3-in-1 Smoke, Fire, and Carbon Monoxide Smart Alarm With 10 Year Sealed Battery,

    3-in-1 Smoke, Fire, and Carbon Monoxide Smart Alarm With 10 Year Sealed Battery,

    The Universal Security Instruments MIC3510SB 3-in-1 Smoke, Fire and Carbon Monoxide Smart Alarm provides 10 years of continuous protection against deadly threats in the home. New patented Universal Smoke Sensing Technology provides the benefits of both... more

    $43.99

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    2-in-1 U.S.S.T. Smoke + Fire | 10 Year Permanent Power | Smart Alarm

    2-in-1 U.S.S.T. Smoke + Fire | 10 Year Permanent Power | Smart Alarm

    2-in-1 U.S.S.T. Smoke + Fire | 10 Year Permanent Power | Smart Alarm more

    $26.98

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    3-in-1 Smoke, Fire, and Carbon Monoxide Smart Alarm With 10 Year Sealed Battery,

    3-in-1 Smoke, Fire, and Carbon Monoxide Smart Alarm With 10 Year Sealed Battery,

    The Universal Security Instruments MIC3510SB 3-in-1 Smoke, Fire and Carbon Monoxide Smart Alarm provides 10 years of continuous protection against deadly threats in the home. New patented Universal Smoke Sensing Technology provides the benefits of both... more

    $37.93

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    U.S.S.T Smoke, Fire, Carbon Monoxide and Natural Gas Smart Alarm

    U.S.S.T Smoke, Fire, Carbon Monoxide and Natural Gas Smart Alarm

    4-in-1 U.S.S.T Smoke + Fire + Carbon Monoxide + Natural Gas | Hardwired | Smart Alarm more

    $53.99

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    2-in-1 U.S.S.T. Smoke + Fire | Hardwired +10 Year Permanent Power | Smart Alarm

    2-in-1 U.S.S.T. Smoke + Fire | Hardwired +10 Year Permanent Power | Smart Alarm

    2-in-1 U.S.S.T. Smoke + Fire | Hardwired + 10 Year Permanent Power Backup | Smart Alarm more

    $24.98

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    MCN400B M Series Plug-In Carbon Monoxide and Natural Gas Alarm with 9-Volt Battery Backup, 3in1 Operated WiredIn Smoke Security piano 9Volt.., By Universal Security Instruments

    MCN400B M Series Plug-In Carbon Monoxide and Natural Gas Alarm with 9-Volt Battery Backup, 3in1 Operated WiredIn Smoke Security piano 9Volt.., By Universal Security Instruments

    Welcome to BigWorld. The USI Electric MCN400B Plug-In Carbon Monoxide and Natural Gas Smart Alarm is a 2-in-1 device that provides double the protection with a single installation. This dual-sensing alarm protects against two deadly household threats:... more

    $57.49

    FREE shipping

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    Universal Security Instruments MDSCN111 4-in-1 IoPhic Smoke, Fire, CO and Natural Gas Smart Alarm

    Universal Security Instruments MDSCN111 4-in-1 IoPhic Smoke, Fire, CO and Natural Gas Smart Alarm

    Keep your family safe with the Universal Security Instruments MDSCN111 4-in-1. It keeps those emergencies from sneaking up on you. Made from plastic and white in color, it blends with typical home decor. This carbon monoxide detector is also designed... more

    $95.94 $39.85

    FREE shipping

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    Universal Security Instruments 1204 Wire-In Smoke Alarm with Battery Backup

    Universal Security Instruments 1204 Wire-In Smoke Alarm with Battery Backup

    World and Main carries a full assortment of plumbing parts and fixtures to meet every project need and retail price point. To make shopping easier for your customer, and stocking shelves a breeze, every repair part is color-coded and each retail pack... more

    $18.99

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    Universal Security Instruments Plug-In 2-in-1 Carbon Monoxide and Natural Gas Smart Alarm with Battery Backup (MCND401B)

    Universal Security Instruments Plug-In 2-in-1 Carbon Monoxide and Natural Gas Smart Alarm with Battery Backup (MCND401B)

    2-in-1 Carbon Monoxide and Natural Gas Alarm120-Volt AC Plug-In Alarm with Battery Back-UpBack-up Battery Continues protection in the event of a power outage9-Volt Energizer Alkaline Battery IncludedDigital Display Screen with Three LED Colors... more

    $42.47

    FREE shipping

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    Universal Security Instruments SS-770-6CC Ionization Fire and Smoke Alarm, Mini, 6pk Bulk Pack

    Universal Security Instruments SS-770-6CC Ionization Fire and Smoke Alarm, Mini, 6pk Bulk Pack

    The Universal Security Instruments SS-770-6CC Battery-Operated Ionization Smoke and Fire Alarms respond quickly to fast-flaming fires to protect your family against deadly threats in the home. These alarms come in a bulk pack of six and are operated by... more

    $38.97 $35.45

    FREE shipping

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    SS-770-C Battery Powered Ionization Smoke and Fire Alarm, 9-Volt Battery Powered Ionization Smoke and Fire Alarm By Universal Security Instruments

    SS-770-C Battery Powered Ionization Smoke and Fire Alarm, 9-Volt Battery Powered Ionization Smoke and Fire Alarm By Universal Security Instruments

    "Main products of our company :electric, home,toy,clother ,etc. Since its foundation ,the company keeps living up to the belief of :""honest selling ,best quality ,people-orientation and benefits to customers. ""We are doing everything to offer our... more

    $25.29

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    Universal Security Instruments USI-1122L 9 Volt Ionization Fire and Smoke Alarm with a 10-Year Lithium Battery

    Universal Security Instruments USI-1122L 9 Volt Ionization Fire and Smoke Alarm with a 10-Year Lithium Battery

    USI IONIZATION DC WITH SILENCER LED SMOKE AND FIRE ALARM more

    $54.36 $11.33

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    Universal Security Instruments MDS107 2-in-1 IoPhic Universal Smoke and Fire Smart Alarm

    Universal Security Instruments MDS107 2-in-1 IoPhic Universal Smoke and Fire Smart Alarm

    Don't let emergencies sneak up on you with the Universal Security Instruments MDS107 2-in-1 IoPhic Smoke and Fire Alarm. It is a necessary component for home safety. Use the Universal smoke alarm to keep your family and friends safe. It is made of... more

    $59.40 $25.47

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    Universal Security Instruments Battery-Operated Universal Smoke Sensing Smoke and Fire Alarm (MDS300B)

    Universal Security Instruments Battery-Operated Universal Smoke Sensing Smoke and Fire Alarm (MDS300B)

    Universal Smoke Sensing Smoke and Fire AlarmResponds 87% Faster to Slow Smoldering FiresResponds Quickest to Fast Flaming Fires9V Alkaline Battery Operated10-Year Long Life Battery IncludedContinued Protection in case of Power OutageNuisance Alarm... more

    $22.73

    FREE shipping

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    Universal Security Instruments SS-901-2C/3CC Battery Powered Photoelectric Smoke and Fire Alarm, 2pk, Mini

    Universal Security Instruments SS-901-2C/3CC Battery Powered Photoelectric Smoke and Fire Alarm, 2pk, Mini

    The Universal Security Instruments SS-901-2C/3CC Battery-Operated Photoelectric Smoke and Fire Alarm responds quickly to slow-smoldering fires to protect your family against deadly threats in the home. This alarm is operated by a heavy-duty nine-volt... more

    $23.97 $20.99

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