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- USA
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Ships within 48 hours · Estimated delivery Jul 12 - Jul 17
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Description
BRK First Alert Hardwired 120V with Battery Back-Up Smoke Detector - 6-PackThe BRK 9120B Hardwired Smoke Alarm with Battery Backup. This 120 volt AC smoke detector uses an ionization smoke sensor to reliably detect smoke from hot, fast flaming fires and alerts you with a loud 85 decibel alarm. Designed to be wired directly into your home's electrical system, this hardwired smoke detector features a backup battery that helps keep the alarm functioning even in the event of a power outage. The gasket less mount helps ensure a
The BRK 9120B Hardwired Smoke Alarm with Battery Backup. This 120 volt AC smoke detector uses an ionization smoke sensor to reliably detect smoke from hot, fast flaming fires and alerts you with a loud 85 decibel alarm. Designed to be wired directly into your home's electrical system, this hardwired smoke detector features a backup battery that helps keep the alarm functioning even in the event of a power outage. The gasket less mount helps ensure a perfect alignment for easy installation, while tamper resistant locking pins keep the alarm secure. And thanks to the convenient test/silence button, you can easily check whether the alarm is functioning properly and mute false alarms. This smoke alarm can integrate with up to 12 other First Alert or BRK hardwired alarms and features a latching indicator that identifies which unit triggered the alarm.
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Hardwired ionization smoke alarm with 9-volt battery back-up
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Latching alarm indicator - remembers which unit initiated an alarm
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Two silence features - can silence the low-battery chirp for up to eight hours or temporarily silence an unwanted nuisance alarm
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Easy installation and maintenance
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10-Year limited warranty
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Tested to meet UL standards
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.5 ★★★★★
Based on 1083 reviews
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Product Reviews
★★★★★ 5
Came in skeptical, but it's GREAT!
I read all the bad reviews I could on this thing and considered it an acceptable risk considering the price.
Assembly was easy and the instructions were fair. Not amazing, but once you handle the edger, the gist is clear.
I was skeptical overall that the horsepower and plastic guard weren't going to be enough. I ran it for nearly 45min stopping every 5 or so to check the blade and guard. It stayed tight and I was able to manually turn the blade to make sure it was working right. My front yard and sidewalk have been neglected for a few years. I would sometimes edge it out with the weed Wacker, but couldn't get it as clean as I wanted without breaking a LOT of line.
When I was done, I noticed the guard had a lot of soil and grass buildup that I was able to take out easily with my fingers. There were a few times I scraped the sidewalk edge, but the blade is still solid and ready for more!
I was surprised at the quality and as you're going over an area, it feels solid and not squirly or out of control. My uses are going to be mostly suburban maintenance on my own yard. If I had more land or something bigger, I would consider something larger. For my yard and purposes, this edger is going to work just fine!
Did not notice any issues with the blade getting loose, but stayed aware of it. There is a lock nut that keeps it in place. I imagine over time and switching blades, this is going to lose its locking function, but I already see amazon has replacement blades that come with new lock nuts!
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Reviewed in the United States on May 5, 2025
★★★★★ 5
Works great, easy assembly and no issues!
Using the weedeater for edging was too hard, so I purchased this. It works great! It was easy to assemble and easy to use. My lines are perfect, but the size, durability, and power of this gem get the job done, and it's lightweight enough that I can easily maneuver it around the yard. I chose a corded one so I don't have to deal with battery life or charging.
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Reviewed in the United States on September 26, 2025
★★★★★ 5
Great Fans!!
We bought 3! This is second set of fans we buy. The blow a great amount of air. The quality is great and install was easy. The app works great and is simple! You can control the fans thru app. Great fans!! Highly recommend!!
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Reviewed in the United States on April 20, 2024
★★★★★ 5
Amazing fan
Work with Alexa or you can use the remote control, easy installation, a perfect size, look beautiful, best price.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Best fan ever
Fan works great, light is more than bright enough to light a large room, fan is great, on high it will provide more air than you will ever need, also works with Alexa flawlessly so that you dont even need the remote or your phone.
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Reviewed in the United States on January 20, 2025