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🚨 Stay ahead of danger with style and zero hassle!
The First Alert SMCO210 combines cutting-edge Precision Detection technology with a decade-long sealed lithium battery, delivering reliable 2-in-1 smoke and carbon monoxide protection in a sleek, slim-profile design. Engineered to reduce false alarms and eliminate battery maintenance, it’s the smart, hassle-free choice for millennial professionals prioritizing safety and modern aesthetics.











| ASIN | B0CJMMVST2 |
| ASIN | B0CJMMVST2 |
| Alarm | Audible |
| Batteries | 1 Product Specific batteries required. (included) |
| Best Sellers Rank | #68,696 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #19 in Smoke & Carbon Monoxide Alarms |
| Brand | First Alert |
| Color | White |
| Customer Reviews | 4.1 4.1 out of 5 stars (1,471) |
| Customer reviews | 4.1 4.1 out of 5 stars (1,471) |
| Date First Available | 9 January 2024 |
| Department | Unisex-Adult |
| Enclosure Material | Plastic |
| Item Dimensions D x W x H | 14.4D x 14.4W x 2.5H centimeters |
| Item Type Name | Combination Alarm |
| Item Weight | 186 g |
| Item model number | SMCO210 |
| Manufacturer | Resideo |
| Manufacturer | Resideo |
| Mfr Part Number | SMCO210 |
| Model Number | SMCO210 |
| Number of Items | 1 |
| Operating Humidity | 10-95% RH |
| Power Source | Battery Powered |
| Product Dimensions | 14.4 x 14.4 x 2.54 cm; 185.97 g |
| Product Style | Smoke, CO |
| Sensor Type | Photoelectric |
| UPC | 029054022233 |
| Unit Count | 1 Count |
C**N
Voice with alarm tone is great. The test button yields 3 successive beeps plus a verbal alert for smoke and 4 successive beeps plus verbal for carbon monoxide. I'm happy that I paid extra for voice. The unit with voice is the same form factor as the non-voice unit SMCO210 and will make for an easy upgrade. The BRK version is made by Resideo as is the First Alert branded unit. Only the box is different.
R**N
Easy to Mount and you don’t have to change the batteries. Just replace the whole thing. I prefer this over the ones you need to replace the batteries every year. One less thing to think about. I did use this one to replace an older model. It did start randomly going off, I guess that is even you know to change it. Not sure tbh
P**C
I am a 75 year young lady and found these easy to install. Excellent safety device to have in every room of your home for safety. They are compact and easy to replace. Great brightness! Highly recommended!!
C**.
Easy to install, works as expected. Great!
H**N
I can’t believe what a disappointment this alarm is. Random false fire alarms defeats the purpose of having one. It scared my dog really bad too. I am so upset by this I felt inclined to warn the public. I guess it’s common in these newer models from what I read. The back of the alarm states that the alarm cannot be reactivated once you deactivate it. Lies. I was able to switch that on and off, which I’m guessing it’s not supposed to do. I used to trust this brand, as I had some of their alarms in the past with no issues, but now I question the entire brand. You can register the alarm and request replacement, but they gonna replace it with one that actually works though? My faith in first alert is shattered, and I’m afraid I can’t trust this brand anymore. I am now out the money and need to seek out a reliable brand so I can keep my family safe. Fast-fashion-style piece of junk alarm. Just pumping out trash and calling them fire alarms. 👎🏻👎🏻👎🏻👎🏻👎🏻
Trustpilot
1 month ago
4 days ago