USI Electric USI-1204 Hardwired Ionization Smoke and Fire Alarm with Backup Battery

New patented technology smoke detectors and fire safety alarms. Find all Universal Security Instrument smoke, fire, combo and new USST alarms. Always working to protect your family - USI Electric.

USI (Universal Security Instruments, Inc.) makes the most innovative home protection solutions available today. Since our founding in 1969, we’ve become one of the largest manufacturers of smoke and carbon monoxide alarms in the world.

USI (Universal Security Instruments, Inc.) makes the most innovative home protection solutions available today. Since our founding in 1969, we’ve become one of the largest manufacturers of smoke and carbon monoxide alarms in the world.

USI Electric MDS107 Hardwired Universal Smoke Sensing Technology (IoPhic) Smoke and Fire Alarm with Battery Backup

Includes instruction manuals, spec sheets and high quality images for Universal Security Instruments and USI Electric brand products.

The USI MI106S smoke alarm features a 10-year sealed battery for permanent power and continuous protection in the event of a power outage. Universal Smoke Sensing Technology detects fast flaming fires and slow smoldering fires for the perfect 2-in-one home safety protection.

USI Electric MICN109 Hardwired 3-in-1 Smoke, Carbon Monoxide and Natural Gas Alarm

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The USI Electric MI106 Hardwired Ionization Smoke and Fire Alarm responds quickly to fast-flaming fires to protect your family against deadly threats in the home. Perfect for new or replacement installations, the 120-volt AC hardwired alarm …