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    Universal Security Instruments Battery-Operated Ionization Smoke and Fire Alarm

    Universal Security Instruments Battery-Operated Ionization Smoke and Fire Alarm

    Free Shipping on Over 500K Items!

    The Universal Security Instruments 2975 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 battery (included) and is... more

    $9.59 $8.63

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    Universal Security Instruments Hardwired Interconnected Smoke and Fire Alarm with Battery Backup

    Universal Security Instruments Hardwired Interconnected Smoke and Fire Alarm with Battery Backup

    Free Shipping on Over 500K Items!

    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

    $11.94 $10.75

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    Universal Security Instruments Battery-Operated Ionization Smoke and Fire Alarm

    Universal Security Instruments Battery-Operated Ionization Smoke and Fire Alarm

    Free Shipping on Over 500K Items!

    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 9-Volt super heavy-duty battery... more

    $8.39 $7.55

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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

    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

    $14.95

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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

    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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    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

    $26.97 $17.97

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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

    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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    10 Year Sealed Battery-Operated Carbon Monoxide Smart Alarm with Display Screen, As Shown

    10 Year Sealed Battery-Operated Carbon Monoxide Smart Alarm with Display Screen, As Shown

    The Universal Security Instruments MCD305SB 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

    $45.49

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    USI MDS300B Universal Smoke Sensing Technology (IoPhic) Battery-Operated Smoke and Fire Alarm

    USI MDS300B Universal Smoke Sensing Technology (IoPhic) Battery-Operated Smoke and Fire Alarm

    Universal Security Instruments Universal Smoke Sensing Technology (IoPhic) Battery-Operated Smoke and Fire Alarm responds quickest to fast flaming fires and 87 % faster to slow smoldering fires. Operates using 9 volt alkaline batteries and offers... more

    $16.99

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    Homelectrical

    (1,000+)
    USI MI106S 2-in-1 Universal Smoke Sensing and Fire Smart Alarm with 10 year Sealed Battery

    USI MI106S 2-in-1 Universal Smoke Sensing and Fire Smart Alarm with 10 year Sealed Battery

    Universal Security Instruments 2-in-1 Universal Smoke Sensing and Fire Smart Alarm with 10 year Sealed Battery is a 2-in-1 universal smoke sensing and fire alarm. It responds quickest to fast flaming fires and 87% faster to slow smoldering fires. The... more

    $20.99

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    Homelectrical

    (1,000+)
    SMOKE/FIRE ALARM,KTCHN,10YR

    SMOKE/FIRE ALARM,KTCHN,10YR

    10yr Tampr Proof Seal Batt. Perm Pwr Smk more

    $31.86 $24.89

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    Universal Security Instruments Hardwired Interconnected Smoke and Fire Alarm with Battery Backup

    Universal Security Instruments Hardwired Interconnected Smoke and Fire Alarm with Battery Backup

    Free Shipping on Over 500K Items!

    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

    $18.31 $16.48

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    Universal Security Instruments 10 Year Sealed Battery-Operated Carbon Monoxide Smart Alarm

    Universal Security Instruments 10 Year Sealed Battery-Operated Carbon Monoxide Smart Alarm

    Free Shipping on Over 500K Items!

    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

    $26.81 $24.13

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    Universal Security Instruments 120-Volt AC Hardwired Carbon Monoxide and Natural Gas Alarm with Battery Backup

    Universal Security Instruments 120-Volt AC Hardwired Carbon Monoxide and Natural Gas Alarm with Battery Backup

    Free Shipping on Over 500K Items!

    Universal Security 2-in-1 Smart Alarm uses a single sensor to detector both CO and Natural Gas. Microprocessor Intelligence provides superior nuisance alarm resistance, along with temperature and humidity compensation, self diagnostics and Quick Find... more

    $30.06 $27.05

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    Universal Security Instruments Battery Powered Smoke and Fire Alarm

    Universal Security Instruments Battery Powered Smoke and Fire Alarm

    Free Shipping on Over 500K Items!

    IoPhic Universal Smoke Sensing Technology alarms with microprocessor intelligence are designed to virtually eliminate nuisance alarms caused by non-hazardous sources such as every day cooking smoke or steamy showers. Nuisance alarms are the leading... more

    $13.85 $12.47

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    Universal Security Instruments Plug-In Combination Carbon Monoxide and Natural Gas Alarm

    Universal Security Instruments Plug-In Combination Carbon Monoxide and Natural Gas Alarm

    Free Shipping on Over 500K Items!

    Single Installation. Double Protection. This compact plug-in alarm is perfect for new or replacement installations. Dual sensing alarm-provides protection against 2 deadly household threats: Carbon Monoxide and Natural Gas. This alarm is suitable for... more

    $30.39 $27.35

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    Universal Security Instruments Hardwired Interconnected Smoke and Fire Alarm

    Universal Security Instruments Hardwired Interconnected Smoke and Fire Alarm

    Free Shipping on Over 500K Items!

    IoPhic Universal Smoke Sensing Technology alarms with microprocessor intelligence are designed to virtually eliminate nuisance alarms caused by non-hazardous sources such as every day cooking smoke or steamy showers. Nuisance alarms are the leading... more

    $16.99

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    Universal Security Instruments Hardwired Smoke/Fire, Carbon Monoxide and Natural Gas Detection Smart Alarm with Battery Backup (2-Pack)

    Universal Security Instruments Hardwired Smoke/Fire, Carbon Monoxide and Natural Gas Detection Smart Alarm with Battery Backup (2-Pack)

    Free Shipping on Over 500K Items!

    The Universal Security Instruments Hardwired IoPhic Smart Alarm is a 4-in-1 device that provides quadruple the protection with a single installation. This 120-volt AC alarm protects against four deadly household threats: fast-flaming fires, smoldering... more

    $90.00 $81.00

    FREE shipping

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    Universal Security Instruments Hardwired Interconnected Smoke and Fire Alarm with Battery Backup

    Universal Security Instruments Hardwired Interconnected Smoke and Fire Alarm with Battery Backup

    Free Shipping on Over 500K Items!

    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

    $17.70 $15.93

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    Universal Security Instruments Battery Operated Combination and Smoke Alarm Starter Bundle (4-Pack)

    Universal Security Instruments Battery Operated Combination and Smoke Alarm Starter Bundle (4-Pack)

    Free Shipping on Over 500K Items!

    The Universal Security Instruments starter bundle is comprised of a collection of performance exceeding and industry defining alarms that are guaranteed to provide homeowners with the maximum in peace of mind. This bundle includes 4 Universal Security... more

    $107.93 $97.14

    FREE shipping

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    Universal Security Instruments Battery Operated Smoke and Fire Alarm

    Universal Security Instruments Battery Operated Smoke and Fire Alarm

    Free Shipping on Over 500K Items!

    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

    $11.67 $10.50

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    Universal Security Instruments 10-Year Lithium Battery Operated Smoke and Fire Alarm

    Universal Security Instruments 10-Year Lithium Battery Operated Smoke and Fire Alarm

    Free Shipping on Over 500K Items!

    The Universal Security Instruments USI-1122L-6P 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... more

    $17.99 $16.19

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    Universal Security Instruments 120-Volt AC Hardwired Ionization Smoke and Fire Carbon Monoxide and Natural Gas Alarm with Battery Backup

    Universal Security Instruments 120-Volt AC Hardwired Ionization Smoke and Fire Carbon Monoxide and Natural Gas Alarm with Battery Backup

    Free Shipping on Over 500K Items!

    Universal Security 3-in-1 Smart Alarm uses a single sensor to detect both CO and Natural Gas. Microprocessor Intelligence provides superior nuisance alarm resistance, temperature and humidity compensation, self diagnostics and Quick Find alarm... more

    $39.77 $35.79

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    Universal Security Instruments Hardwired Fixed Temperature Heat Alarm

    Universal Security Instruments Hardwired Fixed Temperature Heat Alarm

    Free Shipping on Over 500K Items!

    The USI Electric USI-2430 Hardwired Fixed Temperature Heat Alarm responds quickly to temperatures above 135°F to protect your family against deadly threats in the home. Perfect for new or replacement installations, the 120-Volt AC/DC hardwired alarm is... more

    $18.23 $16.41

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    Universal Security Instruments AC Hardwired Iophic Smoke/Fire Carbon Monoxide and Natural Gas Alarm with Battery Backup

    Universal Security Instruments AC Hardwired Iophic Smoke/Fire Carbon Monoxide and Natural Gas Alarm with Battery Backup

    Free Shipping on Over 500K Items!

    Universal Security 4-in-1 Smart Alarm uses a single sensor to detect both CO and Natural Gas and protects against both fast flaming and slow smoldering fires. Microprocessor Intelligence provides superior nuisance alarm resistance, along with... more

    $39.99

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    Universal Security Instruments Battery Operated Combination and Smoke Alarm Homeowner Bundle (8-Pack)

    Universal Security Instruments Battery Operated Combination and Smoke Alarm Homeowner Bundle (8-Pack)

    Free Shipping on Over 500K Items!

    The Universal Security Instruments Homeowner's Bundle is comprised of a collection of performance exceeding and industry defining alarms that are guaranteed to provide homeowners with the maximum in peace of mind. This bundle includes 8 Universal... more

    $205.09 $184.58

    FREE shipping

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    Universal Security Instruments Plug-In Combination Carbon Monoxide and Natural Gas Alarm

    Universal Security Instruments Plug-In Combination Carbon Monoxide and Natural Gas Alarm

    Free Shipping on Over 500K Items!

    Offering single installation and double protection, this compact plug-in alarm is perfect for new or replacement installations. The dual sensing alarm provides protection against two deadly household threats, carbon monoxide and natural gas, with a... more

    $38.19 $34.37

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    Universal Security Instruments Battery Combination Smoke Sensing Smoke and Fire Smart Alarm

    Universal Security Instruments Battery Combination Smoke Sensing Smoke and Fire Smart Alarm

    Free Shipping on Over 500K Items!

    The Universal Security Instruments Battery Combination Smoke Sensing Smoke and Fire Smart Alarm provides 10 years of continuous protection against deadly threats in the home. Patented Universal Smoke Sensing Technology provides the benefits of both... more

    $22.97 $20.67

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    Universal Security Instruments Battery Combination Smoke, Fire, and CO Smart Alarm

    Universal Security Instruments Battery Combination Smoke, Fire, and CO Smart Alarm

    Free Shipping on Over 500K Items!

    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

    $36.61 $32.95

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    Universal Security Instruments Battery Operated Combination and Smoke Alarm Apartment/Condo Bundle (6-Pack)

    Universal Security Instruments Battery Operated Combination and Smoke Alarm Apartment/Condo Bundle (6-Pack)

    Free Shipping on Over 500K Items!

    The Universal Security Instruments apartment/condo bundle is comprised of a collection of performance exceeding and industry defining alarms that are guaranteed to provide homeowners with the maximum in peace of mind. This bundle includes 6 Universal... more

    $156.51 $140.86

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    Universal Security Instruments SS-770-LRC Battery-Operated Ionization Smoke and Fire Alarm

    Universal Security Instruments SS-770-LRC Battery-Operated Ionization Smoke and Fire Alarm

    Ionization Smoke and Fire Alarm responds quickly to fast-flaming fires to protect your family against deadly threats in the homeComes in bulk pack of (6) with 9-volt batteries (included) that operate the alarms and continue protection in the event of a... more

    $27.48

    FREE shipping

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    Universal Security Instruments SS-901-LR-6P 9V Photoelectric Smoke and Fire Alarm with Larger Mounting Bracket

    Universal Security Instruments SS-901-LR-6P 9V Photoelectric Smoke and Fire Alarm with Larger Mounting Bracket

    The Universal Security Instruments SS-901-LR 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

    $13.95 $10.07

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    Universal Security Instruments MI3050 Fire and Smoke Smart Alarm

    Universal Security Instruments MI3050 Fire and Smoke Smart 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 nine-volt alkaline battery... more

    $18.97 $12.27

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    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

    $11.97 $8.67

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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 $45.33

    FREE shipping

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    Universal Security Instruments MP117 Photoelectric Smoke & Fire Smart Alarm

    Universal Security Instruments MP117 Photoelectric Smoke & Fire Smart Alarm

    The USI Electric MP117 Hardwired Photoelectric Smoke and Fire Alarm responds quickly to slow-smoldering fires to protect your family against deadly threats in the home. Perfect for new or replacement installations, the 120-volt AC hardwired alarm is... more

    $26.97 $12.11

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    Universal Security Instruments USI-2413 120-Volt Ionization Smoke Alarm and Strobe Kit

    Universal Security Instruments USI-2413 120-Volt Ionization Smoke Alarm and Strobe Kit

    Don't let emergencies sneak up on you with this Universal Security Instruments USI-2413 120-Volt Ionization Smoke Alarm and Strobe Kit. It is a necessary component for every home. Keep your family and friends safe with this preventative 120-volt smoke... more

    $112.97 $99.95

    FREE shipping

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    Universal Security Instruments USI-3204-2P-3CC Photoelectric Smoke Alarm, 2-Piece Value Pack

    Universal Security Instruments USI-3204-2P-3CC Photoelectric Smoke Alarm, 2-Piece Value Pack

    Don't let emergencies sneak up on you with help from these Universal Security Instruments USI-3204-2P-3CC Photoelectric Smoke Alarms. They are a necessary component for every home or business. Use these home smoke alarms to keep your family, friends... more

    $40.97 $23.24

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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)

    The Universal Security Instruments MDS300B Smoke and Fire Alarm responds quickly to both fast-flaming and slow-smoldering fires to protect your family against deadly threats in the home. Perfect for new or replacement installations, the MDS300B is... more

    $16.25

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    Universal Security Instruments MDS300B IoPhic Smoke and Fire Smart Alarm

    Universal Security Instruments MDS300B IoPhic Smoke and Fire Smart Alarm

    Keep family members, friends and pets safe with the Universal Security Instruments MDS300B IoPhic Smoke and Fire Alarm. It is made of sturdy plastic and comes in a neutral white finish. Place this home smoke alarm between bedrooms, at entryways, the... more

    $22.97 $12.47

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