3120B Hardwire Dual Sensor Smoke Alarm with Battery Backup
SKU: 3120B
This product is no longer available for sale.
The First Alert® Hardwired Dual Sensor Smoke Alarm with Battery Backup is designed to provide peace of mind. The photoelectric and ionization sensors alert you to both smoldering and fast-flaming fires, offering comprehensive detection and early warning. The 85-decibel fire alarm can also connect to other compatible hardwired fire detectors for larger spaces.
- Photoelectric and ionization sensors provide comprehensive fire detection
- A single button makes alarm easy to test, or silence during a false alarm
- Hardwired alarm includes battery backup for detection during power outages
- Connect with other compatible hardwired alarms to create a safety network
| Model | 3120B |
|---|---|
| Replacement Model | SM300-AC |
| Type | Smoke Alarm |
| Sensor Type | Dual Sensor (Photoelectric and Ionization) |
| Sensor Information | Smoke particles of varying number and size are produced in all fires. For maximum protection, use both ionization and photoelectric sensing technologies. Ionization alarms are generally more sensitive to fast flaming fires and photoelectric alarms are generally more sensitive to smoldering fires. |
| Power Source | Hardwired |
| Number of Batteries | 2 |
| Battery Replaceable | Yes |
| Battery Backup | Yes |
| Backup Battery Size | AA |
| Hardwired Interconnectivity | Yes |
| Sound Level | 85dB at 10 feet |
| Product Height | 2.4 in |
| Product Length | 5.7 in |
| Product Width | 5.7 in |
| Product Weight | 0.85 lb |
| Features | Battery Backup, Hardwire Quick Connect Plug Included |
| UPC Number | 029054007100 |
| Warranty | 10 Years Limited |
