First Alert 0827B Ionization Smoke Alarm with 10-Year Sealed Tamper-Proof Battery
First Alert 0827B Ionization Smoke Alarm with 10-Year Sealed Tamper-Proof Battery
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First Alert

First Alert 0827B Ionization Smoke Alarm with 10-Year Sealed Tamper-Proof Battery

4.6 stars out of 182 reviews
(4.6)|
182 ratings

Key item features

  • Continuous Power: Features a 10-year sealed lithium-ion battery, providing uninterrupted power for the alarm's lifespan and ensuring continuous monitoring even during power outages.
  • Ionization Detection: Equipped with an ionization sensor specifically designed for effective detection of smoke from fast-flaming fires, such as those involving paper or grease.
  • Effortless Installation: This battery-operated unit offers continuous monitoring and is designed for easy installation, ensuring protection without complex setup.
  • User-Friendly Features: Includes a loud 85-decibel alarm, a convenient mounting bracket, and a single test/silence button for easy operation and nuisance alarm control.
  • End-of-Life Indication: Provides an end-of-life signal, clearly indicating when the unit needs to be replaced to maintain optimal safety.
  • Comprehensive Coverage: For complete home protection, it is recommended to install an alarm on each level of the home and within every bedroom.
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Current price is $31.95
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Customer ratings & reviews

4.6 out of 5 stars
stars182 ratings87 reviews
How item rating is calculated
  1. 5 stars83% (151)
  2. 4 stars8% (15)
  3. 3 stars3% (5)
  4. 2 stars1% (2)
  5. 1 star5% (9)

Reviews summary

Pros
  • : Offers affordable brand name products.
  • : Made with reliable materials.
Neutral
  • : Can be highly sensitive, but may also be prone to false triggers.
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Showing 1-3 of 87 reviews

Sep 8, 2025
WalmartCustomer
Sold byTop Rated Seller.
5 out of 5 stars review

Verified Purchase

It's simply designed, easy to install and it works

Incentivized Review
Helpful?2ESKZJVRA0TR43922216
May 8, 2020
Wally
5 out of 5 stars review

Verified Purchase

First Alert 0827B 10 year sealed smoke alarm.

After having for a week, no problems. Just pull red tab and screw into provided mount. I used my original mount to screw in, The testing feature works fine. The red light flashes intermittently to ensure unit is working. No false alarms so far. However, I don't think battery will last 10 yrs based upon other reviews but even if it last 5 yrs I''l be happy knowing that I can forget about it until the unit beeps for replacement. I replaced my detectors because the plug in electrical ones that came with the house always beeped like a bird every time the power went off and would not reset properly.

Helpful?2ESKZJVRA0TR43922216
Sep 1, 2016
1234
4 out of 5 stars review

Verified Purchase

smoke alarm

it was just what we needed. it was easy to install. I gave it a 4 instead of a 5 because I have no idea if it will last 10 years. we bought it to replace another alarm that pooped out after 3.

Helpful?2ESKZJVRA0TR43922216