First Alert Carbon Monoxide Detector, Plug-In Alarm with Battery Backup, CO606, White, 1-Pack
- Keep your family safe with this easy to use plug in carbon monoxide alarm; It works with any standard outlet and also has a battery backup f…
- Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is …
- Simple to use, with a single test/silence button; a loud 85 decibel alarm sounds when Carbon Monoxide levels reach dangerous levels. Low bat…
- To ensure complete protection make sure to place one on each level of your home and in each bedroom
- 7 year limited warranty; Equipped with end of life signal chirp, so you know when it’s time to replace the unit for safety
Mubboo Value Score: 8.5/10
How it stacks up
Rated 4.7/5 — better than 85% of 53 Carbon Monoxide Detectors we track. Budget-tier pricing at $23.99.
Head-to-Head vs Category Leader
| First Alert | Kidde (Leader) | |
|---|---|---|
| Price | $23.99 | $79.97 |
| Rating | 4.7/5 | 5.0/5 |
| Reviews | 22,830 | 17 |
| Mubboo Score | 8.5/10 | 4.0/10 |
The First Alert Carbon Monoxide Detector, Plug-In Alarm is 70% cheaper but rated lower (4.7 vs 5).
Quick Specs
- Alarm
- Carbon Monoxide
- Color
- White
- Style
- Plug in Alarm with Battery Backup
- Unit Count
- 1.0 Count
- Item Weight
- 4.2 Ounces
- Sensor Type
- Electrochemical
- Manufacturer
- First Alert
- Model Number
- CO606
What reviewers say
Synthesized from 40 reviews · 100% verified purchases.
Choose a model with a digital display if you want to see real-time CO levels. Note that the low-battery chirp can be mistaken for a smoke detector, so test early; also remember these need replacement after 10 years.
Rating reliability
About First Alert
- 100 products in our database
- Average rating: 4.6/5 across all products
- Price range: $13.98 – $648
- Categories: Carbon Monoxide Detectors, Fire Extinguishers, Smoke Detectors
Other Carbon Monoxide Detectors
Frequently Asked Questions
Is the First Alert First Alert Carbon Monoxide Detector, Plug-In Alarm with B worth buying in 2026?
It earns a Mubboo Score of 8.5/10, with a 4.7/5 rating from 22,830 reviews — better than 85% of Carbon Monoxide Detectors we track.
How much does the First Alert First Alert Carbon Monoxide Detector, Pl cost?
It is currently $23.99 — budget-tier pricing for Carbon Monoxide Detectors.
How does it compare to the top-rated Carbon Monoxide Detectors?
The First Alert Carbon Monoxide Detector, Plug-In Alarm is 70% cheaper but rated lower (4.7 vs 5).
Sources & References
Mubboo may earn a commission from purchases made through links on this page. Prices and availability are accurate as of the last sync and may change.