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    New Sensing Plus® Multi Criteria Detection Alarms

    Include the latest in smoke and fire safety enhancement features while conforming to the new UL 217 8th Edition standards

    Sensing Plus Alarms
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USI Hallway 3-in-1 Smoke, Fire and Carbon Monoxide Smart Alarm with 10 Year Tamper-Proof Sealed Battery (MIC3510SB)
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  Read reviews (77)
View all - Combination Alarms
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USI Electric Hardwired Ionization Smoke and Fire Alarm with Battery Backup (5304)
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  Read reviews (159)
View all - Smoke & Fire Alarms
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USI 3-in-1 Hardwired Smoke, Fire & Carbon Monoxide Smart Alarm with 10 Year Tamper-Proof Sealed Battery (MIC1509S)
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  Read reviews (146)
View all - Combination Alarms
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USI 2-in-1 Hardwired Smoke & Fire Smart Alarm with 10 Year Sealed Battery & Universal Smoke Sensing Technology (MI106S)
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  Read reviews (112)
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Universal Security Instruments Sensing Plus Multi Criteria Bedroom Smoke & Fire Alarm With 10 Year Tamper Proof Sealed Battery (AMIB3051SC)
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  Read reviews (13)
View all - Smoke & Fire Alarms
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Universal Security Instruments Sensing Plus 3-in-1 Hardwired Combination Smoke & Carbon Monoxide Detector With 10 Year Battery Backup (AMIC1510SB)
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  Read reviews (6)
View all - Combination Alarms
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USI Bedroom 2-in-1 Smoke and Fire Smart Alarm with 10 Year Sealed Battery & Universal Smoke Sensing Technology (MI3050SB)
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  Read reviews (47)
View all - Smoke & Fire Alarms
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Universal Security Instruments Sensing Plus Multi Criteria Kitchen Smoke & Fire Alarm With 10 Year Tamper Proof Sealed Battery (AMIK3051SC)
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  Read reviews (6)
View all - Smoke & Fire Alarms
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Universal Security Instruments Sensing Plus Multi Criteria Hallway Smoke & Carbon Monoxide Alarm With 10 Year Tamper Proof Battery (AMICH3511SC)
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  Read reviews (8)
View all - Smoke & Fire Alarms
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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 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  Read reviews (66)
View all - Combination Alarms
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USI Electric Hardwired 2-in-1 Universal Smoke Sensing Smoke and Fire Alarm with Battery Backup (MDS107)
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  Read reviews (32)
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Universal Security Instruments Sensing Plus Dual Sensor Hardwired Smoke & Fire Detector With 10 Year Battery Backup (AMI1061SB)
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: On Order  Read reviews (2)
View all - Smoke & Fire Alarms
 

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)
Plug-In Alarm | Display Screen
Your Price: $50.35  Save: $14.60
Availability: In Stock  Read reviews (25)
View all - Carbon Monoxide Alarms
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Universal Security Instruments Sensing Plus Multi Criteria Smoke, Fire & Carbon Monoxide Alarm With 10 Year Tamper Proof Sealed Battery (AMIC3511SB)
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 (10)
View all - Combination Alarms
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Universal Security Instruments Sensing Plus Multi Criteria Hardwired Smoke & Fire Alarm With 10 Year Battery Backup (AMI1061SC)
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  Read reviews (11)
View all - Smoke & Fire Alarms
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Universal Security Instruments Sensing Plus Multi Criteria Living Area Smoke & Fire Alarm With 10 Year Tamper Proof Sealed Battery (AMIL3051SC)
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  Read reviews (5)
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USI Hardwired 2-in-1 Photoelectric Smoke & Carbon Monoxide Alarm with 10 Year Tamper Proof Sealed Battery Backup (MPC122S)
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  Read reviews (5)
View all - Combination Alarms
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Universal Security Instruments Every Room Digital Carbon Monoxide Smart Alarm with 10 Year Sealed Battery (MCD305SB)
Universal Security Instruments Every Room Digital Carbon Monoxide Smart Alarm with 10 Year Sealed Battery (MCD305SB)
10 Year Sealed Battery | CO Smart Alarm
Your Price: $38.80  Save: $11.15
Availability: In Stock  Read reviews (14)
View all - Carbon Monoxide Alarms
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Universal Security Instruments Plug-In 2-in-1 Carbon Monoxide and Natural Gas Smart Alarm with Battery Backup (MCN400B)
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 (17)
View all - Carbon Monoxide Alarms
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Universal Security Instruments Quick Change Battery-Operated Ionization Smoke & Fire Alarm (976LR)
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: On Order  Read reviews (3)
View all - Smoke & Fire Alarms
 

USI Automatic Emergency Lighting System with Variable Brightness Night Light (HE-430N)
USI Automatic Emergency Lighting System with Variable Brightness Night Light (HE-430N)
Automatic Emergency Lighting System
Your Price: $35.65  Save: $14.30
Availability: In Stock  Read reviews (5)
View all - Accessories
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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)
2-in-1 | Smart Alarm
Your Price: $18.85  Save: $9.10
Availability: In Stock  Read reviews (7)
View all - Smoke & Fire Alarms
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Universal Security Instruments Every Room Carbon Monoxide Smart Alarm with 10 Year Sealed Battery (MC304SB)
Universal Security Instruments Every Room Carbon Monoxide Smart Alarm with 10 Year Sealed Battery (MC304SB)
10 Year Sealed Battery | Smart Alarm
Your Price: $38.80  Save: $11.15
Availability: In Stock  Read reviews (15)
View all - Carbon Monoxide Alarms
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Universal Security Instruments Sensing Plus Multi Criteria Smoke & Fire Alarm With 10 Year Tamper Proof Sealed Battery (AMI3051SB)
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)
View all - Smoke & Fire Alarms
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USI Electric Relay Module for Smoke and Fire Alarms (USI-960)
USI Electric Relay Module for Smoke and Fire Alarms (USI-960)
120 Volt AC | Relay for Smoke Alarm | 5 Amps
Your Price: $26.20  Save: $13.75
Availability: On Order
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USI 4-in-1 Hardwired Universal Smoke Sensing Smart Alarm Smoke, Fire, CO and Natural Gas Detection (MDSCN111)
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)
View all - Combination Alarms
 

USI Electric 20 Amp Self Test GFCI Weather & Tamper Resistant Receptacle Duplex Outlet, White - G1420TWRWH
USI Electric 20 Amp Self Test GFCI Weather & Tamper Resistant Receptacle Duplex Outlet, White - G1420TWRWH
White Tamper/Weather Resistant Outlet
Your Price: $18.85  Save: $11.10
Availability: In Stock
View all - Outlet Safety & Wiring Devices
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USI Electric A & C USB Chargers 15 Amp Tamper Resistant Duplex Receptacle Wall Outlet, White - USB2R3WH15CA
USI Electric A & C USB Chargers 15 Amp Tamper Resistant Duplex Receptacle Wall Outlet, White - USB2R3WH15CA
Contains: 2-Type A and 1-Type C Charging Ports
Your Price: $20.95  Save: $6.00
Availability: In Stock
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USI Electric A USB Charger 15 Amp Tamper Resistant Duplex Receptacle Wall Outlet, White - USB2R2WH15A36
USI Electric A USB Charger 15 Amp Tamper Resistant Duplex Receptacle Wall Outlet, White - USB2R2WH15A36
Contains: 2-Type A USB Charging Ports
Your Price: $17.80  Save: $5.15
Availability: In Stock
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USI Electric A USB Charger 20 Amp Tamper Resistant Duplex Receptacle Wall Outlet, White - USB2R2WH20A36
USI Electric A USB Charger 20 Amp Tamper Resistant Duplex Receptacle Wall Outlet, White - USB2R2WH20A36
Contains: 2-Type A USB Charging Ports
Your Price: $19.90  Save: $5.05
Availability: In Stock
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USI Electric Hardwired LED Wall Mounted Smart Strobe Light (SLW127)
USI Electric Hardwired LED Wall Mounted Smart Strobe Light (SLW127)
Smart Strobe Flash Patterns for Smoke, Carbon Monoxide or Gas Danger
Your Price: $78.70  Save: $21.25
Availability: In Stock  Read reviews (2)
View all - Smoke & Fire Alarms
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USI Electric Square Grille Assembly Replacement Part for Bath Fans (BFSGR)
USI Electric Square Grille Assembly Replacement Part for Bath Fans (BFSGR)
Grille Covers for 50 CFM & 70 CFM models
Your Price: $4.19  Save: $1.80
Availability: Clearance  Read reviews (4)
View all - Bath Fan Accessories
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Universal Security Instruments Sensing Plus Multi Criteria Hardwired Smoke & Carbon Monoxide Alarm With 10 Year Sealed Battery Backup (AMIC1510SC)
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
 

USI 120 Volt Ionization Smoke Alarm & Strobe Kit for Hearing Impaired - Meets ADA Requirements (2453)
USI 120 Volt Ionization Smoke Alarm & Strobe Kit for Hearing Impaired - Meets ADA Requirements (2453)
Ionization | Strobe Kit
Your Price: $93.40  Save: $26.55
Availability: In Stock
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USI 120 Volt Photoelectric Smoke Alarm & Strobe Kit for Hearing Impaired - Meets ADA Requirements (2417)
USI 120 Volt Photoelectric Smoke Alarm & Strobe Kit for Hearing Impaired - Meets ADA Requirements (2417)
Photoelectric | Strobe Kit
Your Price: $125.95  Save: $24.00
Availability: Clearance
View all - Smoke & Fire Alarms
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USI Electric 15 Amp Self Test GFCI Tamper-Resistant Receptacle Duplex Outlet, Ivory - G1315TRIV
USI Electric 15 Amp Self Test GFCI Tamper-Resistant Receptacle Duplex Outlet, Ivory - G1315TRIV
Ivory Tamper-Resistant Outlet
Your Price: $15.70  Save: $4.25
Availability: In Stock
View all - Outlet Safety & Wiring Devices
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USI Electric 15 Amp Self Test GFCI Tamper-Resistant Receptacle Duplex Outlet, White - G1315TRWH
USI Electric 15 Amp Self Test GFCI Tamper-Resistant Receptacle Duplex Outlet, White - G1315TRWH
White Tamper-Resistant Outlet
Your Price: $15.70  Save: $4.25
Availability: In Stock  Read reviews (1)
View all - Outlet Safety & Wiring Devices
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USI Electric 15 Amp Self Test GFCI Weather & Tamper Resistant Receptacle Duplex Outlet, Ivory - G1415TWRIV
USI Electric 15 Amp Self Test GFCI Weather & Tamper Resistant Receptacle Duplex Outlet, Ivory - G1415TWRIV
Ivory Tamper/Weather Resistant Outlet
Your Price: $16.75  Save: $6.20
Availability: In Stock
View all - Outlet Safety & Wiring Devices
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USI Electric 15 Amp Self Test GFCI Weather & Tamper Resistant Receptacle Duplex Outlet, White - G1415TWRWH
USI Electric 15 Amp Self Test GFCI Weather & Tamper Resistant Receptacle Duplex Outlet, White - G1415TWRWH
White Tamper/Weather Resistant Outlet
Your Price: $16.75  Save: $6.20
Availability: In Stock
View all - Outlet Safety & Wiring Devices
Add to Cart!

USI Electric 20 Amp Self Test GFCI Tamper-Resistant Receptacle Duplex Outlet, Ivory - G1320TRIV
USI Electric 20 Amp Self Test GFCI Tamper-Resistant Receptacle Duplex Outlet, Ivory - G1320TRIV
Ivory Tamper-Resistant Outlet
Your Price: $17.80  Save: $7.15
Availability: In Stock
View all - Outlet Safety & Wiring Devices
Add to Cart!

USI Electric 20 Amp Self Test GFCI Tamper-Resistant Receptacle Duplex Outlet, White - G1320TRWH
USI Electric 20 Amp Self Test GFCI Tamper-Resistant Receptacle Duplex Outlet, White - G1320TRWH
White Tamper-Resistant Outlet
Your Price: $17.80  Save: $7.15
Availability: In Stock
View all - Outlet Safety & Wiring Devices
Add to Cart!

USI Electric 20 Amp Self Test GFCI Weather & Tamper Resistant Receptacle Duplex Outlet, Ivory - G1420TWRIV
USI Electric 20 Amp Self Test GFCI Weather & Tamper Resistant Receptacle Duplex Outlet, Ivory - G1420TWRIV
Ivory Tamper/Weather Resistant Outlet
Your Price: $18.85  Save: $11.10
Availability: In Stock
View all - Outlet Safety & Wiring Devices
Add to Cart!

USI Electric A & C USB Chargers 20 Amp Tamper Resistant Duplex Receptacle Wall Outlet, White - USB2R3WH20CA
USI Electric A & C USB Chargers 20 Amp Tamper Resistant Duplex Receptacle Wall Outlet, White - USB2R3WH20CA
Contains: 2-Type A and 1-Type C Charging Ports
Your Price: $24.10  Save: $5.85
Availability: In Stock
View all - Outlet Safety & Wiring Devices
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USI Hardwired Carbon Monoxide Bundle, Includes 1 CO & Gas Alarm + 1 Combo Alarm
USI Hardwired Carbon Monoxide Bundle, Includes 1 CO & Gas Alarm + 1 Combo Alarm
Bundle and Save - CO Safety Bundle
Your Price: $93.00  Save: $36.95
Availability: On Order
View all - Carbon Monoxide Alarms
 

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