

🚨 Stay ahead of danger with smart, seamless CO protection!
The First Alert BRK CO5120BN is a hardwired carbon monoxide detector featuring a 120V direct power connection with a 9V battery backup for uninterrupted safety. Equipped with an advanced electrochemical sensor and microprocessor control, it minimizes false alarms while accurately detecting CO levels. Its interconnect capability supports up to 18 devices, enabling comprehensive home coverage. Designed for easy installation and tamper resistance, this UL-listed alarm ensures reliable, professional-grade protection for your living space.










| ASIN | B000H2673K |
| Alarm | Audible |
| Batteries | 1 9V batteries required. |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #16,353 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #83 in Carbon Monoxide Detectors |
| Brand | First Alert |
| Color | White |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,413) |
| Date First Available | May 27, 2004 |
| Global Trade Identification Number | 00029054856173 |
| Included Components | FIRST ALERT BRK CO5120BN Hardwired Carbon Monoxide (CO) Detector with Battery Backup , White |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 8.8 ounces |
| Item model number | CO5120BN |
| Manufacturer | BRK Brands |
| Material | Plastic |
| Number of Items | 1 |
| Operating Humidity | 10-95% RH |
| Part Number | GID-601054 |
| Pattern | Detector |
| Power Source | Battery Powered |
| Product Dimensions | 2.09"D x 5.53"W x 5.72"H |
| Sensor Type | Electrochemical |
| Size | 1 pack |
| Style | Safety |
| UPC | 029054856173 |
| Voltage | 120 Volts |
| Warranty Description | Warranty |
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