First Alert 9120B 120-Volt Wire-In With Battery Backup Smoke Alarm, 12-Pack;
First Alert 9120B 120-Volt Wire-In With Battery Backup Smoke Alarm, 12-Pack

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 ...

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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
  • 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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