Compare Products
Choose upto 5 items for side by side feature comparison
My collections icon
Wishlist
Track price
Go to collections
Filters IconShow filters

Shop First Alert Smoke Alarm

Sponsored
New tab icon
Product Image
Cost-Effective · Easily Replaceable · Easy installation · First Alert · Perfect fit
BRK Electronics First Alert 9120B6…
$80.88
Electric Bargain S…
5.0
·
1
New tab icon
Product Image
Battery · Cost-Effective · Easy to install · First Alert · Smoke Detector
BRK Electronics First Alert 7010B …
$34.68
Electric Bargain S…
4.0
·
2
New tab icon
Product Image
First Alert 9120B 120V AC/DC Har…
$13.48
Electric Bargain S…
5.0
·
20
New tab icon
Product Image
BRK Electronics First Alert 2002R…
$34.68
Electric Bargain S…
New tab icon
Product Image
First Alert SM210, 10-Year Sealed B…
$23.98
Amazon.com
4.0
·
5K+
New tab icon
Product Image
BRK First Alert SMCO110V-AC (…
$88.60
Electric Bargain S…
New tab icon
Product Image
First Alert RV Approved Battery …
$15.29
$18.99
Camping World
4.5
·
15
Curbside
New tab icon
Product Image
First Alert 0827B 10-Year Battery …
$22.99
Local Inventory IconTarget
New tab icon
Product Image
First Alert Smoke Alarm, 10-Year S…
$27.63
Amazon.com
4.5
·
5K+
New tab icon
Product Image
First Alert Combination Smo…
$52.59
Amazon.com
4.5
·
29
New tab icon
Product Image
Cost-Effective · Easy to install · First Alert · Sturdy Construction
First Alert SCO5CN 2 AA Batteries Op…
$39.04
Electric Bargain S…
4.5
·
107
New tab icon
Product Image
BRK First Alert SMICO110 (1046…
$38.88
Electric Bargain S…
New tab icon
Product Image
First Alert SMCO210 2-In-1 …
$54.99
Family Hardware
4.5
·
891
New tab icon
Product Image
First Alert SM500V, Interconnect Batte…
$41.99
Amazon.com
4.5
·
1K+
New tab icon
Product Image
Used
First Alert 9120B/ Smi100-Ac Smok…
$31.99
eBay
delivery truck
Free shipping
New tab icon
BRK Electronics First Alert SCO5…
$39.04
Electric Bargain S…
5.0
·
1
New tab icon
Cost-Effective · Easily Replaceable · Easy installation · First Alert · Perfect fit
First Alert BRK SA4120B 120V A…
$13.48
Electric Bargain S…
5.0
·
573
New tab icon
First Alert SMI105-AC, Interconnect …
$29.83
Amazon.com
4.5
·
1K+
New tab icon
BRK First Alert SMICO100 (1046…
$35.88
Electric Bargain S…
New tab icon
BRK First Alert SMCO210 (10468…
$39.04
Electric Bargain S…
  1. Showing 1 - 36 out of 171 results for "first alert smoke alarm"
    1. Saved
      Save to wishlist
      First Alert SMCO210V, 10-Year Sealed Battery Combination Smoke & Carbon Monoxide Alarm With Voice & Location Alerts, 1-Pack
      4.2
      ·
      450
      4.2
      450 ratings
      First Alert SMCO210V, 10-Year Sea…
      A
      Amazon.com
      delivery truckFree shipping
    2. Saved
      Save to wishlist
      First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm With Battery Backup, 1-Pack
      4.5
      ·
      509
      4.5
      509 ratings
      First Alert SMI100-AC, Hardwire Int…
      A
      Amazon.com
    3. Saved
      Save to wishlist
      FIRST ALERT BRK FG250B Dual Ionization Smoke Alarm With 9-Volt Battery, 1", White
      4.3
      ·
      24
      4.3
      24 ratings
      FIRST ALERT BRK FG250B Dual I…
      A
      Amazon.com
    4. Saved
      Save to wishlist
      First Alert Combination Smoke & Carbon Monoxide Alarm, Interconnect Hardwire Detector With Battery Backup And Voice & Location Alerts, SMCO100V-AC,
      4.6
      ·
      74
      4.6
      74 ratings
      First Alert Combination Smoke & Ca…
      A
      Amazon.com
      delivery truckFree shipping
    5. Saved
      Save to wishlist
      First Alert Sm210v Sealed 10-Year-Battery Smoke Alarm With Voice And Location Alerts And Slim Profile, 8-1/2"L X 8-1/2"W X 8-1/2"D, White
      4.1
      ·
      69
      4.1
      69 ratings
      First Alert Sm210v Sealed 10-Year-…
      Office Depot
    6. Saved
      Save to wishlist
      First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm With Battery Backup
      SALE
      First Alert SMI100-AC, Hardwire Int…
      $22.99
      T
      Target
      delivery truckFree shipping
    7. Saved
      Save to wishlist
      4.1
      ·
      381
      4.1
      381 ratings
      First Alert Sealed 10-Year-Battery 2 …
      O
      Office Depot
      delivery truckFree shipping
    8. Saved
      Save to wishlist
      First Alert Smoke Alarm
      E
      eBay
    9. Saved
      Save to wishlist
      SALE
      First Alert - Smoke And Carbon Mon…
      $129.99
      B
      Best Buy
      delivery truckFree shipping
    10. Saved
      Save to wishlist
      SALE
      4.3
      ·
      195
      4.3
      195 ratings
      First Alert® SMI100 Battery-Operate…
      $47.99
      T
      Target
      delivery truckFree shipping
    11. Saved
      Save to wishlist
      First Alert Smoke Alarm
      M
      Murdoch's Ranch & Home Supply
    12. Saved
      Save to wishlist
      4.3
      ·
      195
      4.3
      195 ratings
      First Alert Battery Powered Smoke …
      S
      Staples
    13. Saved
      Save to wishlist
      4.6
      ·
      108
      4.6
      108 ratings
      First Alert Battery-Operated Smoke …
      Office Depot
    14. Saved
      Save to wishlist
      4.2
      ·
      450
      4.2
      450 ratings
      First Alert Interconnect Battery-Oper…
      O
      Office Depot
      delivery truckFree shipping
    15. Saved
      Save to wishlist
      4.6
      ·
      108
      4.6
      108 ratings
      First Alert Alarm Smoke DC Slim S…
      T
      Target
    16. Saved
      Save to wishlist
      SALE
      4.2
      ·
      450
      4.2
      450 ratings
      First Alert® SMCO200V Battery-Op…
      $78.99
      T
      Target
      delivery truckFree shipping
    17. Saved
      Save to wishlist
      4.1
      ·
      381
      4.1
      381 ratings
      First Alert SMCO210 Sealed 10-Yea…
      A
      Amazon.com
      delivery truckFree shipping
    18. Saved
      Save to wishlist
      4.3
      ·
      220
      4.3
      220 ratings
      First Alert/Brk 1046835 Ac/Dc Smok…
      H
      Hardware World
    19. Saved
      Save to wishlist
      5
      ·
      1
      First Alert-Photoelectric & Ionizatio…
      P
      Power Equipment Direct
    20. Saved
      Save to wishlist
      4.3
      ·
      154
      4.3
      154 ratings
      First Alert 0827B Ionization Smoke …
      W
      Walmart
      delivery truckFree shipping
    21. Saved
      Save to wishlist
      SALE
      3.4
      ·
      77
      3.4
      77 ratings
      First Alert Slim Battery-Powered Ph…
      $39.49
      B
      Bed Bath & Beyond
      delivery truckFree shipping
    22. Saved
      Save to wishlist
      SALE
      4.5
      ·
      291
      4.5
      291 ratings
      First Alert Hardwired 120V Ionizatio…
      $59.95
      W
      Walmart
    23. Saved
      Save to wishlist
      4.2
      ·
      501
      4.2
      501 ratings
      First Alert Smoke Alarm W/Dual Se…
      U
      US eBay
      delivery truckFree shipping
    24. Saved
      Save to wishlist
      4.7
      ·
      101
      4.7
      101 ratings
      First Alert Interconnect Ionization S…
      B
      Bed Bath & Beyond
    25. Saved
      Save to wishlist
      4.1
      ·
      381
      4.1
      381 ratings
      First Alert SMCO210V 2-In-1 10-Ye…
      F
      Family Hardware
    26. Saved
      Save to wishlist
      SALE
      4.1
      ·
      29
      4.1
      29 ratings
      First Alert 10 Year Ionization Smok…
      $57.49
      B
      Bed Bath & Beyond
      delivery truckFree shipping
    27. Saved
      Save to wishlist
      4.3
      ·
      154
      4.3
      154 ratings
      First Alert BRK 10-Year Battery-Ope…
      L
      Lowe's
    28. Saved
      Save to wishlist
      FIRST ALERT 9120B Smoke Detect…
      E
      eBay.com
      delivery truckFree shipping
    29. Saved
      Save to wishlist
      4.6
      ·
      8
      4.6
      8 ratings
      First Alert SMCO200 2-In-1 Battery …
      F
      Family Hardware
    30. Good Deal
      Saved
      Save to wishlist
      4.5
      ·
      256
      4.5
      256 ratings
      First Alert 9120BFF 120V AC/DC H…
      Electric Bargain Store
    31. Saved
      Save to wishlist
      First Alert Hard-Wired W/Battery Ba…
      A
      Amazon.com
      delivery truckFree shipping
    32. Saved
      Save to wishlist
      3.8
      ·
      4
      3.8
      4 ratings
      First Alert SMICO110 2-In-1 10-Yea…
      F
      Family Hardware
    33. Saved
      Save to wishlist
      4.7
      ·
      12
      4.7
      12 ratings
      First Alert Smoke Alarm Ionization P…
      D
      DkHardware.com
    34. Saved
      Save to wishlist
      4.5
      ·
      256
      4.5
      256 ratings
      First Alert Alarm Smoke AC/DC Wit…
      T
      Target
      delivery truckFree shipping
    35. Saved
      Save to wishlist
      First Alert - 9120AB - Hardwired Ioni…
      N
      Neobits
    36. Saved
      Save to wishlist
      First Alert - Z-Wave Smoke And Car…
      B
      Best Buy
      delivery truckFree shipping
    Oops! We are sorry, something went wrong.
    Continue your shopping by clicking on another product
    Product added to your wishlist! View wishlist
    Sign in to see your saved products on any device
    Product removed from your wishlist! View wishlist
    Sign in to see your saved products on any device
    Something went wrong. Please try again later.
    Product is added to compare already. Please refresh the page.
    Product is not found in compare. Please refresh the page.
    5 Products already added. Please delete existing selection to add this.
  2. Sponsored
    New tab icon
    Product Image
    BRK First Alert SMCO200 (10467…
    $37.88
    Electric Bargain S…
    4.5
    ·
    37
    New tab icon
    Product Image
    NEW BRK First Alert SMI100-AC …
    $20.00
    eBay.com
    delivery truck
    Free shipping
    New tab icon
    Product Image
    FIRST ALERT 9120B Smoke Det…
    $18.99
    eBay.com
    delivery truck
    Free shipping
    New tab icon
    Product Image
    BRK Electronics First Alert SA303…
    $12.98
    Electric Bargain S…
    New tab icon
    Product Image
    Cost-Effective · Easily Replaceable · Easy installation · First Alert · Sleek Appearance
    First Alert 9120B Smoke Detector, …
    $54.01
    Amazon.com
    4.5
    ·
    10K+
    23 % price drop
    New tab icon
    Product Image
    NEW! First Alert Smoke And Fire A…
    $11.19
    eBay.com
    5.0
    ·
    6
    New tab icon
    Product Image
    Sunco First Alert SMICO100-AC H…
    $57.99
    sunco
    New tab icon
    Product Image
    Cost-Effective · Easy to install · First Alert · Sleek Appearance
    FIRST ALERT BRK SC9120B-3 Hard…
    $158.85
    Amazon.com
    4.5
    ·
    10K+
    New tab icon
    Battery · First Alert · Smoke Detector
    BRK Electronics First Alert SA511…
    $42.10
    Electric Bargain S…
    New tab icon
    BRK First Alert SMCO110LED-A…
    $140.87
    Electric Bargain S…
    New tab icon
    First Alert Smoke Alarm Sa350b Lit…
    $59.99
    Walmart
    4.0
    ·
    4
    New tab icon
    First Alert 9120B Hardwired Ionizati…
    $17.25
    BuyRite Electric
    5.0
    ·
    573
    New tab icon
    First Alert 10-Year Sealed Battery Io…
    $13.00
    Mc Mu
    64 % price drop
    New tab icon
    First Alert Hard-Wired W/Battery …
    $16.19
    $17.99
    eBay.com
    New tab icon
    BRK First Alert SMI110 (1046858…
    $21.68
    Electric Bargain S…
    Curbside
    New tab icon
    First Alert SA9120BPCN Ha…
    $18.99
    Local Inventory IconTarget
    New tab icon
    First Alert 10-Year Lithium Battery Io…
    $21.45
    eBay.com
    delivery truck
    Free shipping
    16 % price drop
    New tab icon
    First Alert Battery-Powered Ionizatio…
    $26.55
    $31.99
    Bed Bath & Beyond
    4.0
    ·
    6
    New tab icon
    First Alert SMCO100 Batter…
    $111.86
    Amazon.com
    4.5
    ·
    10K+
    New tab icon
    First Alert 1039852, Battery Photoelec…
    $29.99
    $39.95
    Walmart
    4.5
    ·
    65

    • 5 Best Smoke Detectors 2025 | Top 5 Smoke Detectors 2025

      https://reviews.chicagotribune.com › smoke_detectors
      About our ads
      SponsoredFirst Alert Smoke and Carbon Monoxide Alarm was our Experts #1 Pick. Find Out Why Now. We Compared First Alert vs X-Sense vs Nest. Read the Expert Reviews

      View Our Experts #1 Pick · Prices Reviews & Ratings · #1 Online Buying Guide

      5/5 (783 reviews)

    • First Alert Smoke Alarm | Amazon® Official Site

      https://www.amazon.com › Shop › first alert smoke alarm
      About our ads
      SponsoredGet deals and low prices on First Alert Smoke Alarm at Amazon. We offer an extensive selection of safety & security products at Amazon.
      Site visitors: Over 1M in the past month

      Shop Our Huge Selection · Shop Best Sellers · Fast Shipping · Read Ratings & Reviews

      Types: Automotive, Fashion, Gift Cards, Music, Top Brands and more

    • First Alert Safety Equipment & Supplies at WebstaurantStore

      https://www.webstaurantstore.com
      About our ads
      SponsoredGet Low Prices On Top Brands Online From WebstaurantStore® Today! Stock Up | Save Time & Money | WebPlus Exclusive Deals | Shop Now
Feedback