First Alert SMCO210 10-Year Smoke and CO Detector
- Smoke and CO in one alarm
- 10-Year sealed battery, no replacements
- Photoelectric smoke sensing
- Slim profile, half the depth of a standard alarm
- End-of-life warning
- 7.52 ounces
Updated 5 days ago · Based on the Amazon listing and published specifications, not hands-on testing.
First Alert built a slim, sealed battery smoke and CO alarm that never needs a battery change for its life. It does not interconnect with other alarms in the listing.
As an Amazon Associate I earn from qualifying purchases. ProductDome earns a commission when you buy through links on this page.
ASIN: B0CRRRLRFLModel: SMCO210Category: Combination Smoke & Carbon Monoxide Detectors
Overview
First Alert packs smoke and carbon monoxide sensing into a slim alarm with a sealed battery that runs for the unit's life. Screw it to the ceiling or wall, and an end of life warning tells you when to replace it.
Owners skip battery changes and low battery chirps entirely, and the slim body is less noticeable on a ceiling. No interconnect or voice alerts are listed, so each unit sounds on its own.
Who it's for
Renters, landlords and anyone tired of chirping alarms will value the sealed battery. Larger homes that need linked alarms should choose an interconnect model.
Pros and cons
- No battery replacements
- Smoke and CO in one
- Slim, low profile
- Reduced cooking nuisance alarms
- No interconnect listed
- No voice alerts mentioned
- Whole unit replaced at end of life
Performance notes
Fire warning relies on photoelectric sensing with the maker's logic to cut cooking false alarms. CO detection runs alongside in the same housing. The sealed battery powers both for the life of the unit, and the end of life signal marks replacement time.
Specifications
| Brand | First Alert |
|---|---|
| Model | SMCO210 |
| Dimensions & fit | |
| Item weight | 7.52 ounces |
| Item Dimensions D X W X H | 1"D x 1"W x 1"H |
| Power & efficiency | |
| Power Source | 10-Year sealed battery |
| Construction & materials | |
| Color | White |
| Compatibility & installation | |
| Compatible Devices | compatible_devices |
| Included components | |
| Unit Count | 1 Count |
| Other details | |
| Sensor Type | Photoelectric |
| Alarm | Audible |
| Product Style | Smoke and CO combo |
| Additional features | Slim profile, end-of-life warning |
| BuiltIn Media | Carbon Monoxide Detector with Slim Profile Design |
| Mfr Part Number | 1046796 |
Frequently asked questions
Do I ever change the battery in the First Alert SMCO210?
No. The 10-Year sealed battery eliminates battery replacements and low battery chirps for the life of the alarm.
How will I know when to replace it?
An end-of-life warning lets you know.
Does it detect carbon monoxide?
Yes. It protects against both smoke and carbon monoxide.
Will it link to my other alarms?
The listing does not mention interconnect.