First Alert's Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency
10-Year sealed battery eliminates battery replacements and low battery chirps for the life of the alarm
Slim profile design is half the depth of a standard alarm
End-of-life warning lets you know when it’s time to replace the alarm
Test/silence button for efficient testing to ensure alarm is working properly
Description
The First Alert SM210 10-Year Sealed Battery Smoke Alarm with Slim Profile Design is equipped with First Alert's Precision Detection advanced sensing technology and meets new industry standards. This slim profile smoke alarm is easy to install, and the 10-year battery means no battery replacements are required.
First Alert's Precision Detection Advanced Sensing Technology meets the latest safety standards set by UL 217 8th Edition. This means this smoke alarm is better at distinguishing between harmless cooking smoke and real fires. Additionally, 8th edition smoke alarms can detect smoke from burning synthetic materials, which are common in modern homes. This translates to fewer bothersome false alarms and a crucial early warning in case of a fire emergency.
Dimensions (Overall): 5 Inches (H) x 5 Inches (W) x 2.13 Inches (D)
Warranty: 10 Year Limited Warranty. To obtain a copy of the manufacturer's or supplier's warranty for this item prior to purchasing the item, please call Target Guest Services at 1-800-591-3869
TCIN: 90075131
UPC: 029054021908
Item Number (DPCI): 085-14-9103
Origin: Imported
If the item details aren’t accurate or complete, we want to know about it.
Shipping details
Estimated ship dimensions: 5.8 inches length x 6 inches width x 1.6 inches height
Estimated ship weight: 0.5 pounds
We regret that this item cannot be shipped to PO Boxes.
This item cannot be shipped to the following locations: American Samoa (see also separate entry under AS), Guam (see also separate entry under GU), Northern Mariana Islands, Puerto Rico (see also separate entry under PR), United States Minor Outlying Islands, Virgin Islands, U.S., APO/FPO, Alaska, Hawaii
Return details
This item must be returned to any Target store.
This item must be returned within 90 days of the date it was purchased in store, delivered to the guest, delivered by a Shipt shopper, or picked up by the guest.
The product has received significant criticism for its reliability and performance, with many guests reporting issues such as false alarms and premature failure. While some appreciate the long battery life and ease of installation, the overall experience has been marred by frustrations related to random beeping and the inability to reactivate deactivated units. Guests are advised to consider these factors before making a purchase decision.
Summary created by AI from text of reviews reflecting recent feedback provided across different star ratings (includes incentivized reviews)
2.5
2.5 out of 5 stars
26 star ratings
2.5 out of 5 stars with 26 reviews
quality
1.4 out of 5
quality: 1.36 out of 5
value
1.0 out of 5
value: 1 out of 5
8% would recommend
12 recommendations
1 out of 5 stars
Thumbs down graphic, would not recommendWould not recommend
29 August, 2026Verified purchase
Terrible!
This alarm didn’t work and installation was difficult. The instructions are written so small it’s unintelligible.
Jolee
quality
1.0 out of 5
quality: 1 out of 5
value
1.0 out of 5
value: 1 out of 5
Did you find this review helpful?
1 out of 5 stars
Thumbs down graphic, would not recommendWould not recommend
2 July, 2026Verified purchase
10 year battery life ? NOPE
Intermittent random beeps in the middle of the night were frustrating and then it stopped working after FIVE months. Power red light warning will not shut off. Deactivated.
kbvchicago
quality
1.0 out of 5
quality: 1 out of 5
value
1.0 out of 5
value: 1 out of 5
Did you find this review helpful?
1 out of 5 stars
Thumbs down graphic, would not recommendWould not recommend
31 May, 2026
0 Star Rating - 50% Defect Rate
Would give 0 stars if could - out of six (6) purchased over course of 1+ year, three (3) of them (50%) within 2-6 months started false positive alerts but no smoke no dust no moisture issues in surroundings - research indicates lower reliability sensor in this design resulting from need to accommodate slim profile - contacting parent company of First Alert, Resideo, results in crickets, nada, from it after lodging Defective Product Warranty Case Number: 16934507 that the manufacturer has a legal obligation to address.
Christopher
quality
1.0 out of 5
quality: 1 out of 5
value
1.0 out of 5
value: 1 out of 5
Did you find this review helpful?
1 out of 5 stars
Thumbs down graphic, would not recommendWould not recommend
17 March, 2026Verified purchase
Do not buy!
Died after 3 months
Dogmom
quality
1.0 out of 5
quality: 1 out of 5
value
1.0 out of 5
value: 1 out of 5
Did you find this review helpful?
1 out of 5 stars
Thumbs down graphic, would not recommendWould not recommend
10 September, 2025
Don't Buy
Detector did not last a year!
Jennifer
quality
1.0 out of 5
quality: 1 out of 5
value
1.0 out of 5
value: 1 out of 5
2 guests found this review helpful. Did you?
1 out of 5 stars
Thumbs down graphic, would not recommendWould not recommend
15 August, 2025Verified purchase
waste of money
lasted 3 months and stopped working!
waste of money
quality
1.0 out of 5
quality: 1 out of 5
value
1.0 out of 5
value: 1 out of 5
2 guests found this review helpful. Did you?
1 out of 5 stars
Thumbs down graphic, would not recommendWould not recommend
17 June, 2025Verified purchase
DO NOT BUY!
Don’t buy like other comments I bought 4 of these 4 months ago and so far 2 out of the 4 have gone off randomly!! Save your money! DO NOT BUY THESE!!
Sandra
quality
1.0 out of 5
quality: 1 out of 5
value
1.0 out of 5
value: 1 out of 5
4 guests found this review helpful. Did you?
1 out of 5 stars
Thumbs down graphic, would not recommendWould not recommend
21 May, 2025Verified purchase
Waste
Had it for less than 4 months and alarm kept going off randomly. I had no choice but to de-activate. Once de-activated, it can’t be re-used. Waste.
Laura
quality
1.0 out of 5
quality: 1 out of 5
value
1.0 out of 5
value: 1 out of 5
4 guests found this review helpful. Did you?
1 out of 5 stars
Thumbs down graphic, would not recommendWould not recommend
30 April, 2025
Garbage product
Gives false alarms, completely useless
Target Team Member
value
1.0 out of 5
value: 1 out of 5
Did you find this review helpful?
1 out of 5 stars
Thumbs down graphic, would not recommendWould not recommend
4 March, 2025Verified purchase
Garbage
Don’t buy! False alarms! This and a new First Alert combo smoke and CO with ten-year batteries (as required by law now) both sounded false alarms within a few months of purchase for no reason. The older replaceable battery smoke and CO detectors I kept as backups didn’t go off. There was no dust or other explanation. Once deactivated, they can’t be reactivated and are garbage. There is no other way to get the false alarms to go off other than to deactivate them.
TargetShopper
quality
1.0 out of 5
quality: 1 out of 5
value
1.0 out of 5
value: 1 out of 5
6 guests found this review helpful. Did you?
1 out of 5 stars
18 February, 2025Verified purchase
Goes off randomly
Went off in the middle of the night, no smoke or anything. Woke everyone up at 4am...
Bakiona
quality
1.0 out of 5
quality: 1 out of 5
value
1.0 out of 5
value: 1 out of 5
4 guests found this review helpful. Did you?
5 out of 5 stars
Thumbs up graphic, would recommendWould recommend
11 February, 2025Verified purchase
No batteries
Never have to replace batteries. Lasts 10 years. Easy to install.
Cindy O
Quality
5.0 out of 5
Quality: 5 out of 5
Value
5.0 out of 5
Value: 5 out of 5
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1 out of 5 stars
Thumbs down graphic, would not recommendWould not recommend
21 September, 2024Verified purchase
Be ware, the mounting bracket is different from what the picture show
The bracket that comes with the smoke alarm uses a standard bracket whereas the picture shows it is an all purpose bracket with more mounting options.
