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 Detector

Sponsored
New tab icon
Product Image
First Alert 9120B 120V AC/DC Har…
$13.48
Electric Bargain S…
4.5
·
24
New tab icon
Product Image
Low Profile 10 Year Combination Phot…
$67.18
Northern Safety C…
New tab icon
Product Image
Combination Carbon Monoxid…
$95.26
Northern Safety C…
New tab icon
Product Image
First Alert SMCO210 10-Ye…
$30.00
RES LLC Store M…
4.5
·
891

New tab icon
Product Image
First Alert Combination Smo…
$52.86
Amazon.com
4.5
·
10K+
New tab icon
Product Image
First Alert Smoke Alarm, 10-Year S…
$24.99
Amazon.com
4.5
·
5K+
New tab icon
Product Image
Cost-Effective · Easily Replaceable · Easy installation · First Alert · Perfect fit
BRK Electronics First Alert 9120B …
$13.48
Electric Bargain S…
4.0
·
4
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…
4.5
·
3
New tab icon
Product Image
BRK First Alert SMI100-AC (1046…
$13.48
Electric Bargain S…
3.0
·
4
New tab icon
Product Image
First Alert SMCO210, 10-Ye…
$39.89
Amazon.com
4.5
·
5K+
New tab icon
Product Image
Cost-Effective · Easily Replaceable · Easy to install · First Alert · Sleek Appearance
First Alert 9120BFF 120V AC/DC Har…
$13.48
Electric Bargain S…
4.5
·
10K+
New tab icon
Product Image
First Alert SMICO105-AC, In…
$153.90
Amazon.com
4.5
·
163
New tab icon
Product Image
Cost-Effective · Easily Replaceable · Easy installation · First Alert · Sleek Appearance
First Alert 9120B Smoke Detector, …
$56.97
Amazon.com
4.5
·
10K+
New tab icon
Product Image
First Alert SMCO100V-AC, I…
$279.85
Amazon.com
4.5
·
1K+
Curbside
New tab icon
Product Image
First Alert 0827B 10-Year Battery …
$22.99
Local Inventory IconTarget
New tab icon
First Alert SM500V, Interconnect Batte…
$45.99
Amazon.com
4.5
·
1K+
New tab icon
New 2025 First Alert SMCO410 Z-Wav…
$56.76
Amazon.com
4.5
·
5K+
New tab icon
Cost-Effective · Easy to install · Sturdy Construction
4 Pack Combination Smoke And Carb…
$63.99
Amazon.com
4.0
·
1K+
New tab icon
First Alert SMICO100 Batter…
$394.99
Amazon.com
4.5
·
1K+
New tab icon
Cost-Effective · Easy to install · First Alert · Sleek Appearance
FIRST ALERT BRK SC9120B-3 Hard…
$158.00
Amazon.com
4.5
·
10K+
  1. Showing 1 - 36 out of 175 results for "first alert smoke detector"
    1. Saved
      Save to wishlist
      First Alert BRK SC-9120B Hardwired Smoke And Carbon Monoxide (CO) Detector With Battery Backup
      4.5
      ·
      291
      4.5
      291 ratings
      First Alert BRK SC-9120B Hardwire…
      A
      Amazon.com
      delivery truckFree shipping
    2. Saved
      Save to wishlist
      First Alert Combination Smoke & Carbon Monoxide Alarm, Battery-Operated Detector With Slim Profile Design, SMCO200, 1-Pack
      4.1
      ·
      381
      4.1
      381 ratings
      First Alert Combination Smoke & Ca…
      A
      Amazon.com
      delivery truckFree shipping
    3. Saved
      Save to wishlist
      First Alert Smoke Alarm, Battery-Operated Detector With Test & Silence Button, SMI100, 1-Pack
      4.3
      ·
      195
      4.3
      195 ratings
      First Alert Smoke Alarm, Battery-Op…
      A
      Amazon.com
    4. Saved
      Save to wishlist
      First Alert Voice Alert Hard-Wired Photoelectric Smoke Detector 1 Pk
      4.3
      ·
      16
      4.3
      16 ratings
      First Alert Voice Alert Hard-Wired P…
      B
      Bed Bath & Beyond
      delivery truckFree shipping
    5. Saved
      Save to wishlist
      First Alert 10 Year Slim Battery-Powered Photoelectric Smoke Detector 1 Pk
      SALE
      3.8
      ·
      153
      3.8
      153 ratings
      First Alert 10 Year Slim Battery-Pow…
      $40.71
      B
      Bed Bath & Beyond
      delivery truckFree shipping
    6. Saved
      Save to wishlist
      First Alert - Smoke And Carbon Monoxide Detector Hardwired - White
      4.5
      ·
      243
      4.5
      243 ratings
      First Alert - Smoke And Carbon Mon…
      B
      Best Buy
      delivery truckFree shipping
    7. Saved
      Save to wishlist
      SALE
      4.1
      ·
      69
      4.1
      69 ratings
      First Alert 10 Year Voice And Locati…
      $55.49
      B
      Bed Bath & Beyond
      delivery truckFree shipping
    8. Saved
      Save to wishlist
      SALE
      4.3
      ·
      154
      4.3
      154 ratings
      First Alert 10 Year Battery-Powered …
      $39.49
      B
      Bed Bath & Beyond
      delivery truckFree shipping
    9. Great Deal
      Saved
      Save to wishlist
      4.1
      ·
      381
      4.1
      381 ratings
      First Alert 10-Year Battery, Battery-…
      L
      Lowe's
    10. Saved
      Save to wishlist
      4.5
      ·
      509
      4.5
      509 ratings
      First Alert Hardwired (With Battery B…
      L
      Lowe's
    11. Saved
      Save to wishlist
      4.6
      ·
      108
      4.6
      108 ratings
      First Alert Alarm Smoke DC Slim S…
      T
      Target
    12. Saved
      Save to wishlist
      3.8
      ·
      153
      3.8
      153 ratings
      First Alert 10-Year Battery-Operate…
      L
      Lowe's
    13. Saved
      Save to wishlist
      4.5
      ·
      256
      4.5
      256 ratings
      First Alert Alarm Smoke AC/DC Wit…
      T
      Target
      delivery truckFree shipping
    14. Saved
      Save to wishlist
      4.3
      ·
      195
      4.3
      195 ratings
      First Alert 10 Year With Path Light P…
      B
      Bed Bath & Beyond
      delivery truckFree shipping
    15. Saved
      Save to wishlist
      4.5
      ·
      311
      4.5
      311 ratings
      First Alert Ionization Smoke Detector
      B
      Bed Bath & Beyond
      delivery truckFree shipping
    16. Saved
      Save to wishlist
      4.3
      ·
      220
      4.3
      220 ratings
      First Alert BRK Hardwired (With Batt…
      L
      Lowe's
    17. Saved
      Save to wishlist
      4.7
      ·
      101
      4.7
      101 ratings
      First Alert Interconnect Ionization S…
      B
      Bed Bath & Beyond
      delivery truckFree shipping
    18. Saved
      Save to wishlist
      First Alert Battery-Powered Ionizatio…
      A
      Ace Hardware
    19. Saved
      Save to wishlist
      SALE
      4.4
      ·
      24
      4.4
      24 ratings
      First Alert Ionization Smoke And Ca…
      $68.99
      B
      Bed Bath & Beyond
      delivery truckFree shipping
    20. Saved
      Save to wishlist
      First Alert Battery-Operated Ionizati…
      L
      Lowe's
    21. Saved
      Save to wishlist
      4.1
      ·
      381
      4.1
      381 ratings
      First Alert Slim Battery-Powered Ph…
      B
      Bed Bath & Beyond
      delivery truckFree shipping
    22. Saved
      Save to wishlist
      4.1
      ·
      381
      4.1
      381 ratings
      First Alert SMCO210 Sealed 10-Yea…
      A
      Amazon.com
      delivery truckFree shipping
    23. Saved
      Save to wishlist
      SALE
      4.5
      ·
      291
      4.5
      291 ratings
      First Alert BRK SC-9120B Hardwire…
      $99.99
      T
      Target
      delivery truckFree shipping
    24. Saved
      Save to wishlist
      4.3
      ·
      154
      4.3
      154 ratings
      First Alert BRK 10-Year Battery-Ope…
      L
      Lowe's
    25. Saved
      Save to wishlist
      4.6
      ·
      24
      4.6
      24 ratings
      First Alert - Z-Wave Smoke And Car…
      B
      Best Buy
      delivery truckFree shipping
    26. Saved
      Save to wishlist
      4.2
      ·
      450
      4.2
      450 ratings
      First Alert Voice And Location Alert …
      B
      Bed Bath & Beyond
      delivery truckFree shipping
    27. Saved
      Save to wishlist
      SALE
      3.9
      ·
      196
      3.9
      196 ratings
      First Alert Slim Photoelectric Smok…
      $56.99
      B
      Bed Bath & Beyond
      delivery truckFree shipping
    28. Saved
      Save to wishlist
      SALE
      4.1
      ·
      381
      4.1
      381 ratings
      First Alert 10 Year Battery-Powered …
      $73.84
      W
      Wayfair
      delivery truckFree shipping
    29. Saved
      Save to wishlist
      4.5
      ·
      293
      4.5
      293 ratings
      First Alert 10 Year Ionization Smok…
      B
      Bed Bath & Beyond
      delivery truckFree shipping
    30. Saved
      Save to wishlist
      4.3
      ·
      195
      4.3
      195 ratings
      First Alert BRK Battery-Operated Io…
      L
      Lowe's
    31. Saved
      Save to wishlist
      4.7
      ·
      139
      4.7
      139 ratings
      First Alert Battery-Operated Photoel…
      L
      Lowe's
    32. Saved
      Save to wishlist
      4.5
      ·
      333
      4.5
      333 ratings
      First Alert BRK 10-Year Battery Har…
      L
      Lowe's
    33. Saved
      Save to wishlist
      4.5
      ·
      256
      4.5
      256 ratings
      First Alert 9120B/ SMI100-AC Smok…
      E
      eBay
      delivery truckFree shipping
    34. Saved
      Save to wishlist
      SALE
      4.5
      ·
      371
      4.5
      371 ratings
      First Alert Battery-Powered Ionizatio…
      $49.99
      B
      Bed Bath & Beyond
      delivery truckFree shipping
    35. Great Deal
      Saved
      Save to wishlist
      4.2
      ·
      450
      4.2
      450 ratings
      First Alert 10-Year Battery, Hardwire…
      L
      Lowe's
    36. Saved
      Save to wishlist
      4.1
      ·
      381
      4.1
      381 ratings
      First Alert Alarm Combo DC10 With …
      T
      Target
    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
Feedback