Kidde Battery-Operated 4-inch Smoke Detector & Carbon Monoxide Value Pack, Batteries Included
Kidde Battery-Operated 4-inch Smoke Detector & Carbon Monoxide Value Pack, Batteries Included
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Kidde Battery-Operated 4-inch Smoke Detector & Carbon Monoxide Value Pack, Batteries Included

4.4 stars out of 559 reviews
(4.4)|
559 ratings

Key item features

  • Advanced Detection: Photoelectric sensor technology detects visible fire particles from smoldering fires.
  • False Alarm Reduction: Sensor technology minimizes false alarms caused by cooking or shower steam.
  • Self-Testing: Internal components ensure the alarm is always operating as expected; manual weekly tests recommended.
  • Power Outage Protection: Battery-operated design provides coverage during power outages.
  • Compact Design: 4-inch size fits in tight spaces, ideal for small areas like mobile homes or RVs.
  • Easy Installation: No wiring needed; operates on 2-AA batteries (included) with a simple mount and twist setup.
  • Early Warning: 85-decibel alarm and red LED light activate upon smoke or fire detection.
  • End-of-Life Alert: Alarm sounds to remind you to replace the unit after 10 years of use.
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Current price is $38.97
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Customer ratings & reviews

4.4 out of 5 stars
stars559 ratings152 reviews
How item rating is calculated

Reviews summary

Pros
  • : Features a space-saving form factor.
  • : Has a sleek and modern design.
  • : Offers good value at this cost.
  • : Comes with batteries for easy installation.
  • : This smoke alarm is smaller than typical devices.
Neutral
  • : Can be loud, but also prone to frequent beeping.
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Showing 1-3 of 152 reviews

Sep 19, 2025
Sarah
Top Reviewer
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Affordable Can Be Better.

Searched for a new type of alarms for my home and am now in the process of trying this brand. I also have a fire extinguisher by Kidde. Other brands were more expensive and not always do you get somethings good based on a brand's cost.

Helpful?592YD1HG86AU5232316196
Jul 24, 2025
Cheri
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Glad I ordered this

The love that you get two for one price. Very easy to install and if you don't want to have it on the wall you can put it anywhere else to give you a peace of mind.

Helpful?592YD1HG86AU5232316196
Jan 22, 2026
Leslie
Top Reviewer
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Best Smoke Detector %26 Carbon Monoxide

I will test and use new brand products. This is the best to bring one of them on my trips this year. Easy to carry Carbon Monoxide in my lugguage on long haul trips and stay at recommandations with Carbon Monoxide and save my life.

Helpful?592YD1HG86AU5232316196
reply from Kidde Expert

This is great feedback, thank you for sharing, Leslie!

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