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Kidde Hardwired Interconnect Combination Smoke CO Alarm with Battery Backup and Voice Alert Review

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By Best Choice team
Checked icon Last updated - March 26, 2026
9.1

Verdict overview

  • worth the money 8.9
  • Easy installation 9.6
  • Simple to take off 9.3
  • Battery Duration 8.6
Pros
  • This product can help protect you from both fires and carbon monoxide poisoning.
  • It is UL certified and has a 10 year limited warranty.
  • It can interconnect with other Kidde brand hardwired smoke alarms.
Cons
  • Possibility of returns.

Tech specs

color White
pattern Detector
batteries included Yes
included components Alarm
operating humidity 10 to 95 relative humidity, non-condensing
warranty description 10 Year Limited
alarm Audible
battery cell type Alkaline
product dimensions 1.8D x 5.6W x 5.6H
batteries 2 AA batteries required. included
upper temperature rating 37.8 Degrees Celsius
item weight 6.4 ounces
voltage 120 Volts AC
item package quantity 1
size 1 Pack
power source Hardwired
style Previous Model
sensor type Ionization
batteries required Yes
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Product Overview

I recently purchased the Kidde Hardwired Interconnect Combination Smoke CO Alarm with Battery Backup and Voice Alert. After installing it in my home, I was pleasantly surprised by the quality of this product and its features.

This combination smoke and carbon monoxide detector is designed to alert you in the event of a potential fire or carbon monoxide leak in your home. The unit is UL certified and has a 10 year limited warranty. It is powered by a 120VAC power source with 2 AA battery backups for added protection during power outages. It also has a Test Hush feature that silence the unit for approximately 9 minutes and tamper resistant technology to deter removal of the unit from the wall or ceiling.

The alarm is equipped with an ionization sensing technology that detects invisible fire particles and alerts you with an 85 decibel alarm. It also features LED lights and voice alarm which states Fire! Fire!, Warning! Carbon Monoxide!, or Low Battery!. This detector can interconnect with up to 24 Kidde devices, allowing you to create an interconnected smoke alarm system in your home.

The installation process was very easy, I was able to do it myself without any help from professionals. The instructions were clear and concise, making it very simple to follow along. The device itself is very compact, so it doesnt take up too much space on the wall or ceiling, but still packs a lot of features into its small size.

I think this product is perfect for anyone who wants an effective way to monitor their home for potential fires or carbon monoxide leaks. The voice alert makes it easy to identify what type of emergency you are facing, while the interconnected system allows you to quickly alert other family members or neighbors if necessary. The battery backup ensures that even during a power outage, your system will still be monitoring your home for potential dangers. Overall I am very impressed with this product and would highly recommend it to anyone looking for a reliable smoke and carbon monoxide detector for their home.

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Frequently asked questions

  • What type of sensor does this smoke and CO alarm use?Arrow icon
  • Is this alarm interconnectable with other models?Arrow icon
  • Does this alarm have a battery backup?Arrow icon
  • What type of warranty does this alarm have?Arrow icon
  • What is the temperature range for this alarm?Arrow icon

The secret behind our reviews

By Best Choice team

Best Choice Team is your go-to source for curated product recommendations across various categories. Leveraging years of industry experience and advanced AI technology, we analyze data from multiple sources to bring you the most relevant and up-to-date product lists.

Our AI-driven approach allows us to streamline the selection process, ensuring that the products we feature align with current market trends and consumer preferences. We aim to provide content that helps you navigate your purchasing decisions with greater ease.

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91% of reviewers would recommend to a friend, Based on 22,266 Reviews

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