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First Alert SC9120B Carbon Monoxide & Smoke Alarm AC Power & Battery (6 Pack)

US $374.99
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as low as $34.74/mo with
Condition:
New
Out of Stock197 sold
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Free USPS Priority Mail®.
Located in: Highland, New York, United States
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Estimated between Thu, Jun 5 and Tue, Jun 10 to 94104
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eBay item number:192011124764
Last updated on May 30, 2025 06:53:10 PDTView all revisionsView all revisions

Item specifics

Condition
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ...
Item Height (inches)
5.6 in.
Item Weight (lb)
.7 lbs.
Warranty Claim
7-year limited warranty
Item Length (inches)
5.6 in.
Item Width (inches)
1.9 in.
UPC
0029054513069
Power Source
Corded Electric
Color
White
Item Diameter
6 in
MPN
SC9120B
Item Depth
2 in
Smart Home Compatibility
Apple HomeKit
Brand
First Alert
Type
Smoke Alarm
Number of Batteries
1
Model
BRK SC9120B
Features
Battery Backup
Smart Home Protocol
Wi-Fi
Item Width
5.6in.
Item Weight
0.25lbs.

About this product

Product Identifiers

Brand
First Alert
MPN
SC9120B
GTIN
0029054513069
UPC
0029054513069
Model
BRK SC9120B
eBay Product ID (ePID)
1303640064

Product Key Features

Power Source
Corded Electric
Color
White
Item Depth
2 in
Smart Home Compatibility
Apple HomeKit
Number of Batteries
1
Features
Battery Backup
Type
Smoke Alarm
Smart Home Protocol
Wi-Fi

Dimensions

Item Width
5.6in.
Item Diameter
6 in
Item Weight
0.25lbs.

Additional Product Features

Battery Included
Yes

Item description from the seller

About this seller

buyerspreferred

99.2% positive feedback115K items sold

Joined Mar 2015
Buyerspreferred,Quality, Authentic, and Quick

Detailed seller ratings

Average for the last 12 months
Accurate description
4.9
Reasonable shipping cost
5.0
Shipping speed
5.0
Communication
5.0

Popular categories from this store

Seller feedback (20,374)

All ratings
Positive
Neutral
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    • u***u (415)- Feedback left by buyer.
      Past 6 months
      Verified purchase
      Great Seller
    • e***c (822)- Feedback left by buyer.
      More than a year ago
      Verified purchase
      Received
    • t***t (336)- Feedback left by buyer.
      More than a year ago
      Verified purchase
      Item received matching description and on time.
    See all feedback

    Product ratings and reviews

    4.8
    329 product ratings
    • 291 users rated this 5 out of 5 stars
    • 26 users rated this 4 out of 5 stars
    • 7 users rated this 3 out of 5 stars
    • 1 users rated this 2 out of 5 stars
    • 4 users rated this 1 out of 5 stars

    Would recommend

    Good value

    Good quality

    Most relevant reviews

    • Top favorable review

      Great guarantee from factory

      My home builder installed these types of detectors when he built the house 8 years ago. I've had several go bad or simply reach the end of their service life according to the "chirp code" and the company replaced them free without any argument or even proof that I bought or owned them. The original detectors were guaranteed for 7 years, I think, and now the warrantee has expired on all of them. I bought this one as a standby replacement when another one goes on the fritz in the future. These are the exact same model and the new unit plugs into the existing base and turns in without having to replace the old base which makes replacement easier. Other than having to replace a few of these under warrantee, I think they have worked well and recommend them as a good detector.

      Verified purchase: YesCondition: NewSold by: freeway33

    • Top critical review

      Replaced a similar First Alert Combination Alarm

      Using it to replace a similar item that failed. I can't evaluate it by the star system. When reattached to the the wall connection and pressing the test button everything checked out. So it works as it should. If it continues to work for seven plus years I'll be happy.

      Verified purchase: YesCondition: NewSold by: electricvoltage26

    • good smoke co detectors

      had this type in my house before and they have a 10 year life span so replaced again was easy where just had to plug in. was pleased that they actually came with good duracell batteries good value for peace of mind

      Verified purchase: YesCondition: NewSold by: dealsonwings

    • Absolutely love these things. Kills two birds with one stone per say!

      These units are obviously great quality as expected from BRK & First Alert. Having hardwired units is the only way to go. These have the combo Smoke & o2 sensor/alarms. They come with a dust cover/bonnet as you will see in my first picture. Great for when doing any remodeling. Keeps dust out so as not to damage the sensors. I even recommend holding on to these in case you need them after initial install! Easy as pie to install and so far have operated flawless. I highly recommend these units and purchasing them in a multi-pack here rather than in store. Way cheaper this way. Great Quality, Great Value. They are a must in our house for safeguarding my family for sure!

      Verified purchase: YesCondition: NewSold by: abetterservicecolarrycannon

    • great features and great price

      An awesome product to add extra protection around your home. Great value and willing to make additional purchases

      Verified purchase: YesCondition: NewSold by: rcrcrbld-8

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