The BRK SMI105-AC (1046851) is a hardwired ionization smoke alarm with a factory-sealed 10-year lithium battery backup, sold in a contractor 6-pack. The sealed battery provides a decade of continuous backup power with no battery changes required. Smart Interconnect technology ensures that when one alarm sounds, all compatible BRK and First Alert hardwired alarms in the system also sound.
| Power Source: | Hardwired |
|---|---|
| Product Type: | Smoke Alarm |
| Battery Type: | Lithium |
| Sensor Type: | Ionization |