Best Photoelectric Smoke Sensor Carbon Monoxide Detectors of 2026

Corey Phillips Avatar
Corey Phillips
Last Updated: 4 Feb 2026

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Photoelectric smoke sensor carbon monoxide detectors are life-saving devices that can detect the presence of smoke and carbon monoxide in the air. These devices are designed to provide an early warning of potential fire and carbon monoxide poisoning to help protect your home and family. They are easy to install and operate and come with a range of features that make them highly effective at detecting potential hazards. With their advanced technology, these detectors can provide peace of mind, knowing that your home is protected from the dangers of smoke and carbon monoxide.

At a Glance: Our Top Picks

SAFE TECH Wireless Smoke Alarm with 10 Year Battery Cover #TOP 1
SAFE TECH Wireless Smoke Alarm with 10 Year Battery
ftb score rating icon 9.8
Combination Smoke Alarm and Carbon Monoxide Detector Cover #TOP 2
Combination Smoke Alarm and Carbon Monoxide Detector
ftb score rating icon 9.7
GiiHoo Smoke and Carbon Monoxide Alarm Detector Cover #TOP 3
GiiHoo Smoke and Carbon Monoxide Alarm Detector
ftb score rating icon 9.5

Top 8 Photoelectric Smoke Sensor Carbon Monoxide Detectors

SAFE TECH Wireless Smoke Alarm with 10 Year Battery

AJ-762I
White
SAFE TECH Wireless Smoke Alarm with 10 Year Battery Cover
SAFE TECH Wireless Interconnected Smoke Alarm, Smoke Detector 10 Year Battery with Photoelectric Sensor, Fire Alarm with LED Indicator Low Battery and Fault Warning for House and Bedroom

The SAFE TECH Smoke Alarm is designed to keep you safe with its reliable features. It complies with Scottish Law and has certifications ensuring accurate alerts for fire threats. The built-in 10-year battery means you won't have to worry about frequent replacements, and it will notify you when the battery is low. With photoelectric technology, it detects smoke from smouldering fires quickly, reducing false alarms. Additionally, its wireless interconnectivity allows you to link multiple alarms, ensuring your entire home is protected with just one alert.

What We Like
Compliant with Scottish Law
10-year battery life
Photoelectric smoke detection
Wireless interconnectivity
Easy installation
#TOP 2

Combination Smoke Alarm and Carbon Monoxide Detector

Fenary
SC107
Combination Smoke Alarm and Carbon Monoxide Detector Cover
Combination Smoke Alarm and Carbon Monoxide Detector for Home,CO Alarm and Smoke Alarm Replaceable Battery Powered with LCD Display,Test Button

Features
BATTERY POWERED: Powered By 2 X AA Batteries (Not Included). It Needs No Complicated Installation, And The Long-Lasting Batteries Keep The Alarm Operating Reliably Even If The Power Goes Out.
DUAL PROTECTION: This 2-In-1 Carbon Monoxide And Smoke Alarm Provides Essential Home Protection. Featuring Both Photoelectric And Electrochemical CO Sensors; These Sensors Operate Independently To Instantly Alert You To Hazardous Smoke Or CO Levels, Making It Simple To Protect Your Family From Two Deadly Threats At Once.
LCD Digital Displays: Easy To Read ,2-In-1 Smoke Alarm And Carbon Monoxide Alarm Features A Bright, Backlit LED Display That Clearly Shows Real-Time CO Levels And Alarm Status.Designed For Effortless Use And Quick Setup.The Detection Range Is 0-999PPM, And The Accuracy Is ±5%.
High-Precision Comprehensive Detector: The Product Is Equipped With A Precision CO Sensor, Which One Green Light Flashes Every 30 Seconds And Means It Is Working Properly And Can Quickly Detect The Surrounding CO Value. The Detection Range Is 0-999PPM, And The Accuracy Is ±5%. An 85-Decibel Alarm Sounds To Alert You Of Potential CO Poisoning Risks.
EASY POSITIONING: Ideal For Installation In Bedrooms, Hallways, Living Rooms, Dining Rooms, And Landings. For Best Protection, Position The Smoke And Carbon Monoxide Alarm Close To Sleeping Areas On The Wall Or Ceiling.
#TOP 3

GiiHoo Smoke and Carbon Monoxide Alarm Detector

GiiHoo
JKD-513COM
White-01
GiiHoo Smoke and Carbon Monoxide Alarm Detector Cover
GiiHoo Smoke and Carbon Monoxide Alarm Detector with LCD Display & Battery Powered, Combination Smoke and CO Alarm for Home Safety, EN 14604 & EN 50291 Certified

Features
Clear LCD Display: Shows Real-Time CO Concentration Levels (in PPM) And Smoke Detection Status, Providing Immediate Visual Alerts. To Save Power, The LCD Display Only Activates When Carbon Monoxide Or Smoke Is Detected.
Dual Protection: Detects Both Smoke And Carbon Monoxide (CO) With Advanced Photoelectric And Electrochemical Sensors, Ensuring Comprehensive Safety For Your Home.
Safe And Reliable: This Smoke Alarm And Carbon Monoxide Detector Meets All Safety Standards. Features A Built-In Test Button And Low Battery Warning. In Non-Emergency Situations (when False Alarms Occur), Simply Press The Test Button - The LED Light Will Flash For 10 Seconds, Indicating Silent Mode Activation.
Easy Installation: Powered By 2x1.5V AA Batteries. The Combo Smoke And Carbon Monoxide Detector Can Be Easily Mounted Using The Included Mounting Bracket, Screws, And Anchor Plugs.
Compact & Versatile: Our Portable Smoke And CO Detector Combines Stylish Design With Compact, Lightweight Construction. Accurate And Durable, It Can Be Placed Anywhere CO Levels Might Be A Concern, Including Homes, Offices, Garages.

X-Sense Wi-Fi Smoke and CO Alarm

SC06-WX
1er Set
1-PACK
X-Sense Wi-Fi Smoke and CO Alarm Cover
X-Sense Wi-Fi Smoke and Carbon Monoxide Alarm with Replaceable Battery, Smart Combination Detector Compatible with X-Sense Home Security App, SC06-WX, 1-Pack

The X-Sense SC06-WX Alarm offers comprehensive protection for your home by combining smoke and carbon monoxide detection in a single device. With its independent photoelectric and electrochemical sensors, you are instantly alerted to dangerous smoke or CO levels, ensuring your family’s safety. The Wi-Fi connection allows you to manage the alarm seamlessly via the X-Sense Home Security app, enabling you to silence it with just a tap. Moreover, this feature lets you monitor your home remotely, providing peace of mind when you are away.

What We Like
Two-in-one smoke and CO detection
Remote management via app
Easy silencing through app
Alerts for family sharing

Yezala Battery Powered CO Detector with LCD Display

CDR-813COM
White
Yezala Battery Powered CO Detector with LCD Display Cover
Smoke Alarm and Carbon Monoxide Detector, Smoke Alarm and CO Alarms Battery Powered with LCD Digital Display and Sound Alarm, EN 50291 CO Monitor for Home Safety

The Yezala CO Detector is designed to keep your home safe by accurately detecting carbon monoxide gas leaks using a high-sensitivity sensor. You will benefit from real-time monitoring, as an 85dB alarm and flashing LED light alert you to dangerous levels. Installation is straightforward; simply mount it in your desired location and insert the batteries. The clear digital display shows carbon monoxide levels, helping you quickly identify any issues, making it an essential safety device for your family.

What We Like
Accurate detection of CO leaks
Real-time light and sound alerts
Easy to install
Clear digital display
#TOP 6

X-Sense Wi-Fi Smoke and Carbon Monoxide Alarm

SC06-WX
2er Set
2-PACK
X-Sense Wi-Fi Smoke and Carbon Monoxide Alarm Cover
X-Sense Wi-Fi Smoke and Carbon Monoxide Alarm with Replaceable Battery, Smart Combination Detector Compatible with X-Sense Home Security App, SC06-WX, 2-Pack

Features
Wi-Fi Connection: Manage This Battery-Operated Smoke And CO Alarm Directly Via The X-Sense Home Security App Over 2.4 GHz Wi-Fi, With No Base Station Needed
2-In-1 Protection: Keep Your Home Safe From Both Fires And Carbon Monoxide With A Single Alarm Featuring Both Photoelectric And Electrochemical CO Sensors; These Sensors Operate Independently To Instantly Alert You To Hazardous Smoke Or CO Levels, Making It Simple To Protect Your Family From Two Deadly Threats At Once
Tap In The App To Silence: Use The App To Instantly Silence The Alarm Without The Hassle Of Trying To Reach The Test/silence Button On The Smart Combination Detector
Precautionary CO Alert: Get An Early Warning If CO Levels Exceed 100 Ppm, Allowing You To Take Action Before A Critical Situation Occurs
Get Alerts Anywhere: Monitor Your Home Remotely And Receive Immediate App Notifications In The Case Of Alarms, Low Battery, Faults Or More, Giving You Extra Confidence When You Leave The House
Device Sharing: Share Your Smoke And CO Detector With Up To 12 Other Users Through The X-Sense Home Security App So Family, Friends And Neighbors Can Get Alerts Too
#TOP 7

GiiHoo Smoke and Carbon Monoxide Alarm Detector

GiiHoo
JKD-513COM
White-06
GiiHoo Smoke and Carbon Monoxide Alarm Detector Cover
GiiHoo Smoke and Carbon Monoxide Alarm Detector with LCD Display & Battery Powered, Combination Smoke and CO Alarm for Home Safety, EN 14604 & EN 50291 Certified

Features
Clear LCD Display: Shows Real-Time CO Concentration Levels (in PPM) And Smoke Detection Status, Providing Immediate Visual Alerts. To Save Power, The LCD Display Only Activates When Carbon Monoxide Or Smoke Is Detected.
Dual Protection: Detects Both Smoke And Carbon Monoxide (CO) With Advanced Photoelectric And Electrochemical Sensors, Ensuring Comprehensive Safety For Your Home.
Safe And Reliable: This Smoke Alarm And Carbon Monoxide Detector Meets All Safety Standards. Features A Built-In Test Button And Low Battery Warning. In Non-Emergency Situations (when False Alarms Occur), Simply Press The Test Button - The LED Light Will Flash For 10 Seconds, Indicating Silent Mode Activation.
Easy Installation: Powered By 2x1.5V AA Batteries. The Combo Smoke And Carbon Monoxide Detector Can Be Easily Mounted Using The Included Mounting Bracket, Screws, And Anchor Plugs.
Compact & Versatile: Our Portable Smoke And CO Detector Combines Stylish Design With Compact, Lightweight Construction. Accurate And Durable, It Can Be Placed Anywhere CO Levels Might Be A Concern, Including Homes, Offices, Garages.
#TOP 8

X-Sense WLAN Smoke and CO Detector

XP0A-iR
White
X-Sense WLAN Smoke and CO Detector Cover
X-Sense WLAN Smoke and CO Detector with Voice Alarm and Location Announcement, Combined Smoke and Carbon Monoxide Detector for 17 Detectable Rooms, XP0A-iR, Pack of 1

Features
The Detector Indicates The Location Via Voice Output: React Quickly And Accurately To The Danger With This Smoke And Carbon Monoxide Detector, Which Indicates The Location Of The Emergency: "Warning. Smoke Detected In Living Room. Evacuate." Or "Warning. Carbon Monoxide Has Been Discovered In Master Bedrooms. Embark On The Fresh Air."
Note: XP0A-iR Connects To The App Via Wi-Fi Without A Base Station; XP0A iR Devices Are Not Connected And Work Independently
ULTRA SLIM DESIGN, LOUD ALARM: The Simple And Elegant Design Of This Smoke And Carbon Monoxide Detector Blends Seamlessly Into Your Home Decor And Its Dual Function Saves You From Buying Two Devices; The 85dB Loud Alarm Ensures You Can Hear It Anywhere In The House
Stay Informed: Receive App Updates To The Alarm, e.g. Low Battery, Mute Mode, Test Mode And WiFi Connection, So You Always Know What's Going On And Can Make Sure Your Safety Is Guaranteed
Share For All Family Members: Share Devices With Up To 12 Family Members At No Additional Cost Using The X-Sense Family Security App: Authorized Users Can Receive Alerts, View Alarm History, And Mute The Device Remotely, Allowing Every Person To Have Control Over The Security Of Your Home Anytime And Anywhere
DOUBLE PROTECTION Protect Your Family From Smoke And Carbon Monoxide With A Photoelectric Smoke Sensor And An Electrochemical CO Sensor In A Single Device. A Detector Ensures That You Can Be Worry-Free
10 YEAR LIFESPAN Protect Your Family For Up To Ten Years With A Single, Robust Detector Made Of Flame Retardant ABS Material And Durable Sensors
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Do photoelectric smoke detectors detect carbon monoxide?

Carbon Monoxide Detector with Photoelectric Smoke Alarm This type of unit will detect carbon monoxide as well as smoke from a smoldering fire. ... Photoelectric smoke alarms are good because they do not cause a lot of nuisance alarms unlike their ionization detecting counterparts.

2. What is a photoelectric smoke and carbon monoxide alarm?

Dual-sensor smoke detectors combine ionization and photoelectric technology to detect both flaming and smoldering fires, offering you the best protection and saving you the hassle of installing two separate smoke detectors. But you may still need to install carbon monoxide detectors, if appropriate for your home.

3. What does a photoelectric sensor do on a smoke detector?

The X-Sense Photoelectric Smoke Detector To start with, it has both the sensors (electrochemical and photoelectric) in it. So it can detect both the smoldering fires and Carbon Monoxide with perfection.

4. Is a photoelectric smoke detector better?

Ionization smoke alarms tend to respond faster to the smoke produced by flaming fires than photoelectric smoke alarms. Photoelectric smoke alarms tend to respond faster to the smoke produced by smoldering fires than ionization smoke alarms.

Editor's Notes

During our photoelectric smoke sensor carbon monoxide detector research, we found 17 photoelectric smoke sensor carbon monoxide detector products and shortlisted 8 quality products. We collected and analyzed 5,189 customer reviews through our big data system to write the photoelectric smoke sensor carbon monoxide detectors list. We found that most customers choose photoelectric smoke sensor carbon monoxide detectors with an average price of £20.00.

The photoelectric smoke sensor carbon monoxide detectors are available for purchase. We have researched hundreds of brands and picked the top brands of photoelectric smoke sensor carbon monoxide detectors, including SAFE TECH, Fenary, GiiHoo, X-Sense, Yezala.

Written by
Corey Phillips Avatar

Corey Philips is an electrician and lighting expert. He graduated from the University of Birmingham in 2012 with a Bachelor's degree in electrical and electronics engineering. Corey is a specialist contractor in lights. He sells and installs and recommends lights and lamp sheds, and other lights accessories. Aside from that, Corey is vast in installing and maintaining electrical appliances like air conditioners, water heaters, and the likes.