Specification
Features & Benets
• An industry first*: The first all-in-one smart home safety device 
to integrate smoke and carbon monoxide (CO) detection with 
Indoor Air Quality (IAQ) monitoring.
• Indoor air quality monitoring: Built-in air quality sensor measures 
levels of temperature, relative humidity and Total Volatile 
Organic Compounds (TVOC) – harmful chemicals in your air that 
can impact your health. 
• Remote notification and status with Kidde HomeSafe: Use the 
Kidde app to receive notifications if hazards are detected, know 
when the device needs to be replaced and test alarms.** Mobile 
alerts allow you to notify friends and family of potential danger. 
Plus, you can Smart Hush
™
 false alarms when you are home.**
• One battery for 10 years: Alarms are powered by 120V AC with a 
sealed long-life lithium backup battery that lasts for 10 years*** 
– the entire life of the device.
• Simplify setup: Just scan the QR code on the back of the product. 
No additional hub is needed to set up your Kidde smart devices.
• Whole-home alarm activation: Interconnected alarms activate 
together**** – when one alarm sounds, they all sound, and an 
alert is sent to your phone.
• Compatible with Google Assistant and Amazon Alexa:  Use voice 
commands to check alarm status and connection.†
Model P4010ACSCOAQ-WF
Description
The first all-in-one smart home safety device to integrate smoke 
and carbon monoxide (CO) detection with Indoor Air Quality 
(IAQ) monitoring*, from the #1 most installed fire safety brand in 
North America. The Kidde Smoke + Carbon Monoxide Alarm with 
Indoor Air Quality Monitor detects multiple airborne threats to 
home health and safety from a single, Wi-Fi-enabled device. 
Equipped with Kidde HomeSafe, it connects to the Kidde app to 
place status updates and mobile alerts at your fingertips. It’s also 
designed to work together with existing Kidde hardwired 
interconnected alarms to provide whole-home alarm 
activation**** – when one alarm sounds, they all sound, and an 
alert is sent to your phone. The Smoke + Carbon Monoxide Alarm 
with Indoor Air Quality Monitor is a comprehensive approach to 
protecting your home – and it’s all from a trusted leader in fire 
safety for more than 100 years.
Glowing LED Status Ring allows easy identification 
of current state of alarm.
Green: 
Unit is Working
Amber:
Error
Red: 
Danger Detected
Ionization
Technology
Photoelectric
Technology
An industry rst* 
1st smart device with smoke, CO & indoor air quality 
monitoring.
Indoor air quality monitoring 
Measures harmful chemicals in your air that can impact health.
Remote alarm notications  
Real-time mobile alerts through the Kidde app.
Smart Detection featuring Kidde HomeSafe
™
This alarm is part of a comprehensive suite of home safety 
devices that help protect against smoke, carbon monoxide, 
indoor air quality issues, leaks and freezes. 
*First Underwriters Laboratories (UL) Listed carbon monoxide and smoke 
detection device with indoor air quality monitoring.
**This feature is only available on devices with the Kidde HomeSafe feature, 
not other interconnected alarms, when you are connected to the same Wi-Fi 
network as the alarm.
***10-year limited warranty on alarm. Not a battery performance claim.
****Alarms only connect with other Kidde alarms that have hardwired AC 
interconnect capability.
† Amazon, Alexa, and all related marks are trademarks of Amazon.com, Inc or its 
affiliates.
Google is a trademark of Google, LLC
 WARNING: Mobile alert services are ancillary to the product and for 
informational purposes only. They are not intended or suitable for life safety 
or critical purposes nor do these services take the place of third-party life 
safety monitoring services. This product’s smartphone and tablet notifications 
require a stable Wi-Fi connection, and are only as reliable as your home Wi-Fi 
network. Images are representative only. Actual product may vary slightly.
Smoke + Carbon Monoxide Alarm 
with Indoor Air Quality Monitor


