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    New Sensing PlusĀ® 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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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
Price: $50.35 Save: $19.60
Availability: In Stock Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5 (101)
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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
Price: $45.10 Save: $14.85
Availability: On Order Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5 (32)
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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
Price: $23.05 Save: $5.90
Availability: In Stock Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5 (79)
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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
Price: $52.45 Save: $27.50
Availability: On Order Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5 (47)
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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
Price: $22.00 Save: $7.95
Availability: In Stock Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5 (26)
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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
Price: $17.80 Save: $7.15
Availability: On Order Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5 (37)
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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
Price: $18.85 Save: $9.10
Availability: In Stock Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5 (4)
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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
Price: $84.92 Save: $44.98
Availability: On Order
 

When it comes to outfitting your home with a dependable Smoke and Fire Alarm that is often celebrated for its intuitive use of technology, USI has comprised an excellent assortment of Alarms that best incorporate the themes of performance, reliability and accessibility in a highly affordable package. Our online shop features Smoke and Fire Alarms that utilize Universal Sensing Plus® Multi Criteria Technology. The Universal Security Instruments Sensing Plus Multi Criteria Hardwired Smoke & Fire Alarm With 10 Year Battery Backup is an excellent choice for those looking for an alarm with a prolonged lifespan that's capable of sensing the presence of both slow smoldering & fast flaming fires

USI's series of Universal Smoke Sensing Alarms represent the pinnacle of forward thinking and ingenious use of technology. The USI 2-in-1 Hardwired Smoke & Fire Smart Alarm with 10 Year Sealed Battery & Universal Smoke Sensing Technology incorporates a host of sensing technologies to alert owners of both fast-flaming and slow-smoldering fires. Responding 87% faster to slow-smoldering fires than a traditionally constructed alarm, Universal Smoke Sensing Alarms are the fastest available alarms in today's market in registering and alerting owners to fast-flaming fires. This smoke alarm is further bolstered by a ten year battery that offers an additional decade of uninterrupted protection.

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New Technology

  • Sensing Plus smoke alarms

    Sensing® Plus

    AI-artificial intelligence techniques can differentiate and classify smoke & fire profiles.

  • universal smoke sensing technology

    USST Dual Sensing

    Responds to both fast flaming and slow smoldering fires - with one sensor.

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