2-In-1 Smoke and Fire Alarm Detector Hardwired 10-Year Sealed Battery Backup Microprocessor Technology

Item # 3559649 | Universal Security Instruments Part # MI106S | UPC Code 042741301060 | UNSPSC Code 46191501
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Product Overview

The USI Electric Hardwired Smoke and Fire Alarm uses patented Universal Smoke Sensing Technology to respond quickest to BOTH fast-flaming fires and slow smoldering fires to protect your family against deadly threats in the home. U.S.S.T. provides the benefits of both photoelectric and ionization alarms in 1 device. Perfect for new or replacement installations, the 120-Volt AC hardwired alarm is suitable for houses, apartments and mobile homes. This alarm is fully interconnectable with all USI and Universal 120-Volt alarms using existing wiring and mounting. Quick Find alarm origination identifies the first alarm to sound in an interconnected system and the single silence/test button temporarily quiets nonemergency alarms. Auto sensitivity calibration also provides superior nuisance alarm protection and creates consistency in alarm sensitivity. This alarm has additional automatic features including a self-diagnostics check and a sensitivity adjustment for changes in temperature or humidity. The USI Electric MI106S Hardwired 2-in-1 Universal Smoke Sensing Technology Smoke and Fire Smart Alarm comes with a 10-year Permanent Power tamper-proof sealed battery continues protection in the event of a power outage.

  • 2-in-1 universal smoke sensing technology USST responds quickly to both fast-flaming and slow smoldering fires to protect your family against deadly threats in the home
  • 120-Volt AC hardwired alarm with 10-year permanent power sealed backup battery is suitable for houses, apartments and mobile homes
  • Mount the bracket to any standard wiring junction box and use the large mounting base to cover imperfections in drywall
  • Fully interconnectable with all USI and universal 120-Volt battery drawer alarms using existing wiring and mounting
  • 10-year limited warranty on both battery and alarm


Alarm Sensor Type
Certifications and Listings
ETL Listed
10-Year Battery, Hush Button, Tamper Resistant
No additional components or accessories are included
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