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🔥 Stay safe in style with the smoke alarm that works as hard as you do!
The First Alert BRK SM210 smoke alarm features a 10-year sealed battery eliminating replacements and low-battery chirps, a slim profile design half the depth of standard alarms, and advanced Precision Detection technology that minimizes nuisance alarms while providing early fire warnings. Designed for easy installation and maintenance, it includes an end-of-life warning and a test/silence button to ensure reliable performance throughout its lifespan.
| Alarm | Audible |
| Asin | B0CJMP11MB |
| Brand | First Alert |
| Colour | White |
| Country Of Origin | China |
| Customer Reviews | 3.9 3.9 out of 5 stars (973) 3.9 out of 5 stars |
| Item Dimensions D X W X H | 13D x 13W x 2.5H Centimeters |
| Item Type Name | Smoke Alarm |
| Item Weight | 0.37 Pounds |
| Manufacturer | Resideo |
| Manufacturer Warranty Description | No Warranty |
| Mfr Part Number | SM210 |
| Model Number | SM210 |
| Number Of Items | 1 |
| Operating Humidity | 10-95% RH |
| Power Source | Battery Powered |
| Product Style | Compact |
| Sensor Type | Photoelectric |
| Unit Count | 1.0 Count |
| Upc | 029054021847 |
User
Smoke alarm
Good product, good service.I think I got a rogue faulty detector as it started beeping later that day with no smoke present.
User
Terrible product
Purchased and installed on 4/1/26. Had previously purchased similar model which certainly did not last 10 years but stayed with this brand since all brands had questionable reliability. This was a mistake! On the 18th of May around midnight it started beeping. After checking throughout house for signs of smoke I decided it was a malfunction and disabled it. Forget the 10 year sealed battery, it did not last 2 months! Similar complaints about the Kidde but I will get one that I can replace batteries and not depend on the “ 10 year sealed” battery. For something so important I do not understand the poor reliability from two supposedly dependable companies!
User
Affordable and adequate
Bought in tandem with another First Alert detector. Both easy to install.
User
Easy peasy install and no false alarms for me.
It works great and so far never had a false alarm. It did react to my smoking oven though, so it will work when needed.
User
Can't Be Used With Older First Alert Mounting Brackets
This unit is turned on by special tabs when you twist it onto the mounting bracket. Unless you have that exact mounting bracket, it won't work with other First Alert mounting brackets. Also, once it is turned on, it's on. If you turn it off, it can never be turned on again. I don't know why they make them like that. The whole thing seems kind of stupid.
Trustpilot
3 weeks ago
3 weeks ago