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