First Alert BRK 9120B/ SMI100AC Hardwired AC Powered Smoke Detector 12v Backup

nexgeninnovations
(62)
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US $23.99
Condition:
New
4 available2 sold

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Popular item. 2 have already sold.
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Shipping:
US $9.45 USPS Ground Advantage®.
Located in: Leesburg, Florida, United States
Delivery:
Estimated between Tue, Jun 17 and Tue, Jun 24 to 94104
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Seller does not accept returns.
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eBay item number:356556381566

Item specifics

Condition
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ...
Battery Included
Yes
Power Source
Battery, Hardwired
Color
White
Item Diameter
No
Year Manufactured
2008, 2011, 2016, 2019, 2020
MPN
9120B
Item Depth
2 in
Smart Home Compatibility
Amazon Alexa
Brand
BRK
Type
Smoke Alarm
Number of Batteries
1
Manufacturer Warranty
10 Years
Model
9120B
Features
Battery Backup
Smart Home Protocol
Bluetooth, Powerline/UPB
Item Width
5 in
Operating Sound Rating
1
Power
Smoke
Item Weight
1 pounds

Item description from the seller

About this seller

nexgeninnovations

97.3% positive feedback•382 items sold

Joined Oct 2018
Usually responds within 24 hours
Seller's other itemsContact

Detailed seller ratings

Average for the last 12 months
Accurate description
4.8
Reasonable shipping cost
4.5
Shipping speed
4.9
Communication
5.0

Seller feedback (70)

All ratings
Positive
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Negative
    • e***t (1274)- Feedback left by buyer.
      Past 6 months
      Verified purchase
      First Alert BRK smoke detector advertised as new but arrived used with twisted wires and rust stains. Very disappointing. I don’t like leaving negative feedback, but this was not acceptable.
    See all feedback

    Product ratings and reviews

    Learn more
    4.9
    567 product ratings
    • 508 users rated this 5 out of 5 stars
    • 50 users rated this 4 out of 5 stars
    • 5 users rated this 3 out of 5 stars
    • 0 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

    See all 429 reviews
    • by jaglover6864
      Apr 13, 2021Top favorable review

      Great Smoke Alarm, FAST shipping

      Works well, good value. I have 12 smoke detectors in my house; a completely refurbished 1908 home. We were required to install fire detectors in all our rooms and the remodeler installed First Alert smoke alarms and all interconnected. They are all 8 years old and a starting to fail, one at a time. I want to replace them with like kind units, and eBay was the easiest place to purchase them. I have replaced the one bad unit with this one purchased from eBay and it is working fine The unit was very reasonably priced and shipping was FAST!!

      Verified purchase: YesCondition: New

    • by mightyeng
      Jul 21, 2020Top critical review

      Replacement detector

      The reason I bought this smoke detector is because it replaced an existing one that stopped working after six years. It just slotted right in without any modifications. The house builder installed this model and it has worked satisfactorily until now. My immediate reaction to this product was that it was all a bit flimsy. The battery compartment seemed weak and plastically. However, as I don’t intend to replace the whole unit by another product, it appears that the other alarms will likewise be replaced in time. I believe they are designed to last about ten years before the radioactive source is depleted.

      Verified purchase: YesCondition: NewSold by: worldus

    • by dbc7718
      Jul 06, 2021

      Great product and was easy to replaced the old ones.

      I bought these new smoke alarm detectors to replace my current ones that were 13 year old. One started to fail so I went ahead and bought 4 to replace them all. I was a bit concerned about replacements because what usually happens is it when you have an old model, that old model would be replaced is a new model but with a different design even though it looks the same when you see a picture of one online.. I was extremely pleased that my old model was still being made and I replaced them all very easily. The base plates were exactly the same and I did not have to do any rewiring. I took less than a minute to replace each one. So yes - I am extremely happy!

      Verified purchase: YesCondition: NewSold by: torch_lighting_and_electrical

    • by ashleyalw2009
      Jul 14, 2021

      Installed easily

      I needed to replace thirty year old smoke detectors in a manufactured home. These installed easily in place of the old ones. Just a few tools, and a knowledge of electrical connections and safety required. I love the fact that these also have a battery backup. The old ones did not have this option. You don't give a lot of thought to smoke detectors until you need one, or they fail. These seem to be good ones.

      Verified purchase: YesCondition: Pre-OwnedSold by: worldus

    • by riwe-4196
      Aug 04, 2021

      Great Value

      This is a direct replacement for the original units in my home. There was no need to change the mounting plate or the wiring harness. Yes there are new units that have a 10 year sealed battery, but the cost is higher. The common 9 Volt battery is very easy to replace once a year as recommended.

      Verified purchase: YesCondition: NewSold by: elementalexchange

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