First Alert 9120B 120-Volt Wire-In With Battery Backup Smoke Alarm, 12-Pack by BRK at American Trade System. MPN: 9120B. Hurry! Limited time offer. Offer valid only while supplies last. The 120V AC Smoke Alarm with Battery Backup is designed to install faster; perform better; and be even smarter than before. Ionization sensor. These improvements help reduce nuisance alarms and save you time and money. Uses 9V batteryfor Battery Back up.120V AC with battery backup. Side load battery drawer. Tamper resistant locking pins - Universal mounting bracket. Test/silence button. Latching alarm indication.
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The USI Electric USI-1204 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 sui...