First Alert
First Alert
First Alert Hardwired Smoke Alarm with Battery Backup 9120B
$16.99List price $19.9915% off
Typical sale price. List price (MSRP) $19.99. Prices are for reference and vary by retailer.
- UL listed
- Test/silence button
- End-of-life warning
Overview
First Alert smoke and CO alarms protect millions of American homes. Interconnectable. The First Alert Hardwired Smoke Alarm with Battery Backup 9120B is part of First Alert's home safety & smoke alarms lineup and was a popular pick in American homes from 2015 to 2025. UL listed. Test/silence button.
Features
- UL listed
- Test/silence button
- End-of-life warning
Specifications
| Brand | First Alert |
|---|---|
| Model / item number | 9120B |
| Category | Home Safety & Smoke Alarms |
| Most popular | 2015–2025 (USA & Europe) |
| Country of origin | China |
| Warranty | 1 Year Limited Warranty |
| List price (MSRP) | $19.99 |
How it compares
| Product | Brand | List price | Popular |
|---|---|---|---|
| First Alert Hardwired Smoke Alarm with Battery Backup 9120B | First Alert | $19.99 | 2015–2025 |
| First Alert Kitchen Fire Extinguisher KFE2S5 | First Alert | $29.99 | 2015–2025 |
| Kidde Smoke Detector 10-Year Battery i9010 | Kidde | $19.99 | 2015–2025 |
| Kidde Combination Smoke & CO Alarm with Voice | Kidde | $49.99 | 2015–2025 |
| First Alert 2087F-WTR5 Waterproof Fire Safe | First Alert | $99.99 | 2015–2025 |
| First Alert HOME1 Rechargeable Fire Extinguisher | First Alert | $39.99 | 2015–2025 |