| Brand | First Alert |
|---|---|
| Type | Carbon Monoxide Detector |
| Number of Batteries | 4 |
| Power Source | Battery, Wall Plug-In |
| Battery Included | Yes |
| Color | White |
| Model | First Alert CO606 |
| MPN | CO605 |
| Year Manufactured | 2025 |
| Features | Battery Backup |
| Operating Sound Rating | 90 dB |
Check the listing for details. First Alert CO606 Carbon Monoxide Alarms (4) with batteries. Color: White, Condition: Open box. Listed at 25.00 USD. The manufacture dates on the back of the battery covers are May 22, 2025, October 14, 2025, October 14, 2025, and December 18, 2025. Since they weren't plugged in, I didn't want the batteries to be drained.
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