Universal Security Instruments Hardwired Ionization Smoke and Fire Alarm with Battery Backup MI106

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 is suitable for houses, apartments and mobile homes. This alarm is fully interconnectable with all USI and Universal 120V 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 nine-volt battery (included) continues protection in the event of a power outage.