# First Alert CO400B Single Gas Detector, 85 dB, Alarm: Audible/Visual, Electrochemical Sensor, White

**Manufacturer:** BRK Brands/First Alert  
**MPN:** `CO400B`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | BRK Brands/First Alert |
| Manufacturer name | BRK Brands/First Alert |
| Manufacturer | BRK Brands/First Alert |
| CategoryIdL3 | Safety Detection Devices |
| CategoryL1 | Storefront & Security Hardware |
| CategoryL2 | Fire, Gas & Water Protection |
| Extra Product Name | First Alert CO400B Single Gas Detector, 85 dB, Alarm: Audible/Visual, Electrochemical Sensor, White |
| Voltage | 9 |
| atoms | 1 |
| color | White |
| moq | 1 |
| MPN | CO400B |
| multiple | 1 |
| qtyInStock | -2 |
| qtySource | FieldMap |
| SKU | CO400B |
| tierMinQty1 | 1 |
| tierPrice1 | 33.77 |
| Power Source | Battery |
| Included | Batteries |
| Required Battery Type | 9-Volt |
| Product Width (in ) | 5.5 |
| Commercial/Residential | Residential |
| Certifications and Listings | UL Listed |
| Product Height (in ) | 3.35 |
| Features | Hush Feature |
| Product Depth (in ) | 1.9 |
| Certifications | UL |
| Pack Size | 1 |
| California Compliant | Available in California,Available in New York |
| Mount Type | Fixed |
| Nomenclature | CO400B CO ALARM BATTERY POWER |
| Sound Level | 85 dB |
| Operating Temperature | 40 to 100 deg F |
| Color | White |
| Dimensions | 1-1/2 in L x 4-3/4 in W x 3-1/3 in H |
| UNSPSC | 46191501 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| DK Hardware | CO400B | 33.77 | 1 | None | 1 |

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