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Smoke & Fire Alarms

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 USST (Universal Smoke Sensing Technology). The USI Electric 10-Year Battery-Operated Ionization Smoke Alarm is an excellent choice for those looking for an alarm with a prolonged lifespan that works especially well in detecting fast and rapid flaming fires. For those on the other side looking for an alarm that reacts to slow-smoldering fires, the Hardwired Photoelectric Smoke and Fire Alarm with Battery Backup is available for purchase and includes a host of beneficial features.

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Universal Security Instruments Battery-Operated Photoelectric Smoke and Fire Alarm (SS-901-LR-6P)
Photoelectric | Larger Mounting Bracket
Your Price: $11.95     Save: $5.00
Availability: In Stock

USI Electric Hardwired Photoelectric Smoke and Fire Alarm with Battery Backup (MP117)
Photoelectric | Battery Drawer | Silence | Smart Alarm
Your Price: $20.95     Save: $9.00
Availability: In Stock

Universal Security Instruments Battery-Operated Photoelectric Smoke and Fire Alarm, 2-Pack (SS-901-2C/3CC)
Photoelectric | Mini | 2 Pc. Value Pack
Your Price: $19.95     Save: $10.00
Availability: In Stock

Universal Security Instruments Photoelectric 120-Volt AC/DC Wired-In Smoke and Fire Alarm (USI-3204-6P)
Photoelectric | Battery Drawer | Silence
Your Price: $16.95     Save: $10.00
Availability: In Stock

Universal Security Instruments Smart Battery-Operated Photoelectric Smoke and Fire Alarm (MP308)
Photoelectric | Battery Drawer | Silence | Smart Alarm
Your Price: $15.95     Save: $9.00
Availability: In Stock

USI 120 Volt Photoelectric Smoke Alarm & Strobe Kit for Hearing Impaired - Meets ADA Requirements (2417)
Photoelectric | Strobe Kit
Your Price: $95.99     Save: $13.00
Availability: In Stock

USI Hallway 10 Year Tamper Proof Permanent Power Sealed Battery 2-in-1 Photoelectric Smoke & Carbon Monoxide Smart Alarm (MPC322SB)
Photoelectric | Sealed Battery Back-up
Your Price: $46.99     Save: $6.00
Availability: In Stock

USI Hardwired 10 Year Tamper Proof Permanent Power Sealed Battery Photoelectric Smoke & Fire Smart Alarm (MP116S)
Photoelectric | Sealed Battery Backup
Your Price: $26.99     Save: $3.00
Availability: On Order

USI Hardwired 2-in-1 Photoelectric Smoke & Carbon Monoxide Alarm with 10 Year Tamper Proof Sealed Battery Backup (MPC122S)
Photoelectric | Hardwired
Your Price: $49.99     Save: $7.00
Availability: On Order

USI Living Area 10 Year Tamper Proof Permanent Power Sealed Battery Photoelectric Smoke & Fire Smart Alarm (MP316SB)
10 Year Sealed Tamper-Proof Battery | Photoelectric Smart Alarm
Your Price: $20.99     Save: $3.00
Availability: In Stock

USI's series of Universal Smoke Sensing Alarms represent the pinnacle of forward thinking and ingenious use of technology. The USI Electric 10-Year Battery-Operated Ionization Smoke Alarm 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 of fast-flaming fires. This alarm is further bolstered by a battery that offers an additional decade of uninterrupted protection.


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