First Alert
First Alert
First Alert CO605 Plug-In Carbon Monoxide Alarm
$23.99List price $29.9920% off
Typical sale price. List price (MSRP) $29.99. Prices are for reference and vary by retailer.
- UL listed
- Test/silence button
- End-of-life warning
Overview
First Alert smoke and CO alarms protect millions of American homes. Battery backup. US shoppers bought the First Alert CO605 Plug-In Carbon Monoxide Alarm widely between 2015 and 2025, and it remains a well-reviewed choice in home safety & smoke alarms. UL listed. Test/silence button.
Features
- UL listed
- Test/silence button
- End-of-life warning
Specifications
| Brand | First Alert |
|---|---|
| Model / item number | CO605 |
| Category | Home Safety & Smoke Alarms |
| Most popular | 2015–2025 (USA & Europe) |
| Country of origin | China |
| Warranty | 1 Year Limited Warranty |
| List price (MSRP) | $29.99 |
How it compares
| Product | Brand | List price | Popular |
|---|---|---|---|
| First Alert CO605 Plug-In Carbon Monoxide Alarm | First Alert | $29.99 | 2015–2025 |
| First Alert SCO7CN Combination Smoke and CO Alarm | First Alert | $39.99 | 2015–2025 |
| First Alert Onelink Safe & Sound Smart Alarm with Alexa | First Alert | $249.99 | 2015–2025 |
| First Alert HOME1 Rechargeable Fire Extinguisher | First Alert | $39.99 | 2015–2025 |
| First Alert SA511CN2-3ST Smoke Alarm with 10-Year Battery | First Alert | $29.99 | 2015–2025 |
| First Alert 2087F-WTR5 Waterproof Fire Safe | First Alert | $99.99 | 2015–2025 |