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USI Hallway 3-in-1 Smoke, Fire and Carbon Monoxide Smart Alarm with 10 Year Tamper-Proof Sealed Battery (MIC3510SB)

10 Year Sealed Tamper-Proof Battery | USST Smart Alarm

Your Price: $45.10

Save: $14.85

Availability: In Stock

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USI Electric Hardwired Ionization Smoke and Fire Alarm with Battery Backup (5304)

Ionization | Battery Drawer | Silence

Your Price: $14.65

Save: $5.30

Availability: In Stock

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USI 3-in-1 Hardwired Smoke, Fire & Carbon Monoxide Smart Alarm with 10 Year Tamper-Proof Sealed Battery (MIC1509S)

Hardwired with 10 Year Sealed Battery Backup | USST Smart Alarm

Your Price: $50.35

Save: $19.60

Availability: In Stock

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Universal Security Instruments Sensing Plus Multi Criteria Bedroom Smoke & Fire Alarm With 10 Year Tamper Proof Sealed Battery (AMIB3051SC)

10 Year Battery | New Multi Criteria Sensor

Your Price: $27.25

Save: $7.70

Availability: In Stock

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USI 2-in-1 Hardwired Smoke & Fire Smart Alarm with 10 Year Sealed Battery & Universal Smoke Sensing Technology (MI106S)

Hardwired with 10 Year Sealed Battery Back-up | Smart Alarm

Your Price: $23.05

Save: $5.90

Availability: In Stock

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USI Bedroom 2-in-1 Smoke and Fire Smart Alarm with 10 Year Sealed Battery & Universal Smoke Sensing Technology (MI3050SB)

Sealed Battery | 2-in-1 Smart Alarm

Your Price: $19.90

Save: $10.05

Availability: In Stock

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Universal Security Instruments Sensing Plus 3-in-1 Hardwired Combination Smoke & Carbon Monoxide Detector With 10 Year Battery Backup (AMIC1510SB)

Hardwired | New Multi Criteria Sensor

Your Price: $62.95

Save: $17.00

Availability: In Stock

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Universal Security Instruments Sensing Plus Multi Criteria Hallway Smoke & Carbon Monoxide Alarm With 10 Year Tamper Proof Battery (AMICH3511SC)

10 Year Battery | New Multi Criteria Sensor

Your Price: $55.60

Save: $14.35

Availability: In Stock

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Universal Security Instruments Sensing Plus Multi Criteria Kitchen Smoke & Fire Alarm With 10 Year Tamper Proof Sealed Battery (AMIK3051SC)

10 Year Battery | New Multi Criteria Sensor

Your Price: $30.40

Save: $9.55

Availability: In Stock

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USI Electric Hardwired 2-in-1 Carbon Monoxide and Natural Gas Smart Alarm with Battery Backup (MCN108)

2-in-1 CO + Natural Gas | Smart Alarm

Your Price: $44.05

Save: $10.90

Availability: In Stock

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Universal Security Instruments Sensing Plus Multi Criteria Hardwired Smoke & Fire Alarm With 10 Year Battery Backup (AMI1061SC)

Hardwired | Meet UL Standard 217 8th Edition

Your Price: $30.40

Save: $8.55

Availability: In Stock

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USI 4-in-1 Hardwired Universal Smoke Sensing Smart Alarm Smoke, Fire, CO and Natural Gas Detection (MDSCN111)

4-in-1 Alarm | Battery Drawer | Silence

Your Price: $52.45

Save: $27.50

Availability: On Order

Read reviews (58)

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

Plug-In Alarm | Display Screen

Your Price: $50.35

Save: $14.60

Availability: In Stock

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Universal Security Instruments Sensing Plus Dual Sensor Hardwired Smoke & Fire Detector With 10 Year Battery Backup (AMI1061SB)

Hardwired | Meet UL Standard 217 8th Edition

Your Price: $30.40

Save: $8.55

Availability: In Stock

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Universal Security Instruments Sensing Plus Multi Criteria Smoke, Fire & Carbon Monoxide Alarm With 10 Year Tamper Proof Sealed Battery (AMIC3511SB)

10 Year Battery | New Multi Criteria Sensor

Your Price: $58.75

Save: $16.20

Availability: In Stock

Read reviews (9)

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USI Electric Hardwired 2-in-1 Universal Smoke Sensing Smoke and Fire Alarm with Battery Backup (MDS107)

2-in-1 | Smart Alarm

Your Price: $22.00

Save: $7.95

Availability: In Stock

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Universal Security Instruments Sensing Plus Multi Criteria Living Area Smoke & Fire Alarm With 10 Year Tamper Proof Sealed Battery (AMIL3051SC)

10 Year Battery | New Multi Criteria Sensor

Your Price: $29.35

Save: $10.60

Availability: In Stock

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Universal Security Instruments Sensing Plus Multi Criteria Hardwired Smoke & Carbon Monoxide Alarm With 10 Year Sealed Battery Backup (AMIC1510SC)

Hardwired | New Multi Criteria Sensor

Your Price: $62.95

Save: $17.00

Availability: On Order

Read reviews (18)

View all - Combination Alarms

Universal Security Instruments Plug-In 2-in-1 Carbon Monoxide and Natural Gas Smart Alarm with Battery Backup (MCN400B)

2-in-1 Plug-In | Smart Alarm

Your Price: $41.95

Save: $13.00

Availability: In Stock

Read reviews (16)

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USI Hardwired 2-in-1 Photoelectric Smoke & Carbon Monoxide Alarm with 10 Year Tamper Proof Sealed Battery Backup (MPC122S)

Photoelectric | Hardwired

Your Price: $60.85

Save: $19.10

Availability: In Stock

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Universal Security Instruments Sensing Plus Multi Criteria Smoke & Fire Alarm With 10 Year Tamper Proof Sealed Battery (AMI3051SB)

10 Year Battery | Meet UL Standard 217 8th Edition

Your Price: $27.25

Save: $7.70

Availability: In Stock

Read reviews (3)

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USI Every Room 2-in-1 Smoke and Fire Smart Alarm with 10 Year Sealed Battery & Universal Smoke Sensing Technology (MIE3050S)

10 Year Sealed Battery | 2-in-1 Smart Alarm

Your Price: $19.90

Save: $10.05

Availability: Clearance

Read reviews (1)

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

2-in-1 | Smart Alarm

Your Price: $18.85

Save: $9.10

Availability: In Stock

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Universal Security Instruments Quick Change Battery-Operated Ionization Smoke & Fire Alarm (976LR)

Ionization | Silence | Quick Change Battery Installation

Your Price: $9.75

Save: $2.20

Availability: In Stock

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