- Specifications
- Description
- 120V
- 10 Year
- White
- AC/DC, Smoke Alarm
- Hardwired
- Battery Back Up, Locked 9V Battery
- Ionization Smoke Sensor Reliably Detects Particles From Fast Flaming Fires
- Can Integrate With Up To 12 Other First Alert Or BRK Hardwired Smoke Detectors
The First Alert 9120LBL Hardwired Interconnected Smoke Alarm with Lithium Battery-Backup is a great choice when it comes to affordable smoke alarms. In the event of a power outage, this smoke alarm is equipped with a 10 year lithium battery back-up.