

🚨 Stay ahead of danger with smart, seamless CO protection!
The First Alert BRK CO5120BN is a hardwired carbon monoxide detector featuring an advanced electrochemical sensor and microprocessor control to reduce false alarms. It includes a 9V battery backup for uninterrupted monitoring during power outages and can interconnect with up to 18 compatible First Alert or BRK devices for comprehensive home safety. Easy to install with a plug-in connector and tamper-resistant bracket, it offers reliable, professional-grade CO detection with a 5-year lifespan.










| ASIN | B000H2673K |
| Alarm | Numerical |
| Brand | First Alert |
| Built-In Media | -- |
| Colour | White |
| Customer Reviews | 4.6 out of 5 stars 1,360 Reviews |
| Enclosure Material | Plastic |
| Global Trade Identification Number | 00029054856173 |
| Item Dimensions D x W x H | 5.3D x 14W x 14.5H Centimeters |
| Item Height | 5.72 Inches |
| Item Type Name | --- |
| Item Weight | 0.55 Pounds |
| Manufacturer | BRK Brands |
| Model Number | CO5120BN |
| Operating Humidity | 10-95% RH |
| Power Source | Battery Powered , Hardwired |
| Product Dimensions | 5.3D x 14W x 14.5H Centimeters |
| Product Style | Compact |
| Sensor Type | Carbon Monoxide Sensor |
| Style | Compact |
| UPC | 029054856173 |
| Unit Count | 1.0 Count |
G**T
Great smoke and CO alarm for the house.
J**L
It replaced on of my old smoke detectors
C**K
Check compatibility when ordering!
P**P
Works fine, easy installation. Derated for lack of compatibility info, made buying a guessing game.
C**S
Plug and Play
Trustpilot
2 weeks ago
2 weeks ago