First Alert 10-Year Battery Hardwired Combination Smoke and Carbon Monoxide Detector
SKU: 78884398907

First Alert 10-Year Battery Hardwired Combination Smoke and Carbon Monoxide Detector

$44.10 $49.00
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Ships within 48 hours · Estimated delivery Jul 9 - Jul 14

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Description

First Alert 10-Year Battery Hardwired Combination Smoke and Carbon Monoxide DetectorThe First Alert SC9120LBL hardwired smoke and carbon monoxide combination alarm with 10 year battery back up features an ionization smoke sensing chamber and an electrochemical carbon monoxide sensor. The 10 year battery backup allows for continued monitoring, for the life of the alarm, even during power outages. Intelligent sensing technology is designed to reduce nuisance alarms and one button silences them if they do occur. The latching alarm

The First Alert SC9120LBL hardwired smoke and carbon monoxide combination alarm with 10-year battery back-up features an ionization smoke sensing chamber and an electrochemical carbon monoxide sensor. The 10 year battery backup allows for continued monitoring, for the life of the alarm, even during power outages. Intelligent sensing technology is designed to reduce nuisance alarms and one button silences them if they do occur. The latching alarm indicator automatically identifies which unit initiated the alarm, even after the conditions that set off the alarm have subsided. An end-of-life signal enhances your safety by letting you know when it's time to replace the unit. Two locking features prevent battery tampering, and installation and connection to AC power is easy with the "quick-connect" wiring harness. Connect it to compatible BRK or First Alert alarms within a single-family residence and when one alarm sounds they all will.

  • 10-Year battery backup means constant monitoring for the life of the alarm even during a power failure

  • Features an electrochemical CO sensor and ionization smoke sensor

  • Indicator lights display the presence of smoke or carbon monoxide; an 85-decibel siren provides loud warning upon detection

  • Single test/silence button

  • Adapter plugs included for simple installation when replacing other branded alarms

  • Smoke and CO alarms should be placed on every level and in every bedroom of the home

  • Tested to meet UL standards

  • 10-Year limited warranty

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 78884398907

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4.6 ★★★★★
Based on 2255 reviews
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Product Reviews
A
Verified Purchase
Anonymous
Phoenix, US
★★★★★ 5
It serves it's purpose!!
Size: 1 Panel, Color: Black
Product really works well & serves it's purpose! Great height & width. It's flimsy, but it will stand still when put in place.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 4, 2025
A
Verified Purchase
Amazon Customer
Dallas, US
★★★★★ 1
Zero stars
Size: 1 Panel, Color: Black
The bars are impossible to screw in all the way so it’s not sturdy at all, trash and waste of time
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
R
Verified Purchase
Rachel Barron
Omaha, US
★★★★★ 5
Great product, sturdy and well made. Easy assembly.
Size: 3 Panel, Color: Beige
These are awesome! They were easy to assemble. They are lightweight and easy to move. I was able to easily put all 6 pieces -(I ordered two sets)-into the back of my SUV at once, by myself (and I'm a short, older lady). Quality material. Very sturdy and steady. The first set I opened was a used one and did not include instructions, but it was still very easy to assemble and figure out. I recommend using a battery powered screwdriver. With that, the assembly of all 6 panels took less than 45 minutes.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 24, 2025
S
Verified Purchase
superlee
West Palm Beach, US
★★★★★ 3
Defective product
Size: 1 Panel, Color: Black
All screws cannot fit with each connectors. The Allen key provided is useless because it doesn’t fit into screws.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 7, 2025
S
Verified Purchase
Sherry
Lake Worth, US
★★★★★ 5
Love it, happy with the price
Size: 1 Panel, Color: Black
I have been using this product for a month now. I'm absolutely thrilled with my new Room Divider. It's has made a significant difference in my home. The divider is not only stylish and well-crafted but also incredibly functional. It has effectively separated my open space into cozy, distinct areas, enhancing privacy. Assembly was a breeze, and it's built to last. This room divider has truly transformed my living space, and I couldn't be happier.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 30, 2024

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