| Power Source | Hardwired |
|---|---|
| Battery Included | Yes |
| Color | White |
| Item Diameter | 5.5 in |
| MPN | SMI100AC, 9120B |
| Year Manufactured | 2025, 2026 |
| Item Depth | 2 in |
| Smart Home Compatibility | na |
| Brand | First Alert |
| Type | Smoke Alarm |
| Number of Batteries | 1 |
| Unit Type | Unit |
| Model | SMI100-AC |
| Features | Battery Backup |
| Unit Quantity | 12 |
| Smart Home Protocol | na |
| Country of Origin | Mexico |
| Item Width | 5.5 in |
| Operating Sound Rating | 100 dB |
| Power | 110 |
| Item Weight | 0.5 lb |
| UPC | 029054022639 |
Check the listing for details. First Alert BRK SMI100-AC 9120B, Hardwire Interconnect Smoke Alarm - 12-Pack. Color: White, Condition: New, Made in Mexico. Listed at 173.99 USD. SMI100AC, 9120B. Smoke Alarm. First Alert. Battery Included. Battery Backup. Read moreabout the condition. Number of Batteries. Country of Origin.