








Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.
🔔 Stay wired, stay safe: The smart alarm your home deserves.
The First Alert SC9120B is a hardwired combination smoke and carbon monoxide alarm featuring easy adapter plug installation, a 10-year lithium battery backup, and advanced sensing technology to minimize false alarms. With an 85dB siren, clear indicator lights, and an end-of-life signal, it offers reliable, long-term protection for every level of your home.







| ASIN | B07G95Z38H |
| Alarm | Audible |
| Best Sellers Rank | #4,200 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #14 in Smoke & Carbon Monoxide Alarms |
| Brand | First Alert |
| Built-In Media | Alarm, Battery |
| Color | white |
| Customer Reviews | 4.5 4.5 out of 5 stars (884) |
| Enclosure Material | Plastic |
| Global Trade Identification Number | 00029054018786 |
| Item Dimensions D x W x H | 0.07"D x 0.22"W x 0.22"H |
| Item Type Name | Combination Alarm |
| Item Weight | 10.08 ounces |
| Manufacturer | First Alert |
| Manufacturer Warranty Description | Warranty |
| Mfr Part Number | 1039807 |
| Model Number | SC9120B |
| Number of Items | 1 |
| Operating Humidity | 10-95% RH |
| Power Source | Corded Electric |
| Product Style | Hardwired |
| Sensor Type | Electrochemical |
| UPC | 029054018786 |
Trustpilot
1 month ago
2 weeks ago