Best Safety Sensors Detectors 2025

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Last Updated - 26.07.2025

Best Choice

01

ABUS

ABUS COWM510 Carbon Monoxide Alarm - CO Detector with 85 dB Loud Alarm, Test Button, 10-Year Sensor & LCD Display - White - Set of 2

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9.8

Exceptional

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Main highlights

Service life: the electrochemical sensor has a service life of 10 years - then the device must be replaced. Battery with approx. 5 years lifespan, can be changed
Safety: tested and certified according to standard EN 50291 - 1:2018
LED light: red, yellow or green light informs about the state of the carbon monoxide detector (e.g. alarm, test, battery empty, error message, normal state)
Areas of application: for private households with combustion devices such as open fireplaces, gas boilers, instantaneous water heaters, oil heaters - ready for use at -10 to +40 degrees
Alarm: Even at low CO concentration (from 30 ppm), the 85 decibel sounds loud warning sound and a red LED light flashes

68,95 €
02

ABUS

ABUS COWM370 Carbon Monoxide Detector with 7-Year Sensor, 85 dB Loud Alarm and ABUS Gas Detector GWM100ME for Gas Boilers - Natural Gas (Methane) / City Gas - Alarm Volume 85 dB - Set

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9.7

Exceptional

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The GWM100ME reliably detects natural gas (methane) and thus protects against gas explosions
Safety: tested and certified according to standard EN 50291 - 1:2018 - CO warner with ABUS safety level 7
Installation: CO warning detector with a detection range of 60 m² – mounting on the wall or placing the detector is possible (mounting material included)
Alarm: Even at longer-lasting, low CO concentration (from 30 ppm), an 85 decibel loud warning sound sounds and a red LED light flashes
Acute and optical alarm signals - volume 85 dB

66,95 €
Value for Money

03

Smartwares

Smartwares Carbon Monoxide Detector, 10 Year Sensor, 1.7 Test Winner Rating, with Display and Test Button - FGA-13041

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9.5

Excellent

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TEST BUTTON Make sure your device is working properly by testing it regularly (once per month). If your CO detector beeps 5 times during testing, it will work fine.
Effective protection against carbon monoxide (CO): this detector with a range of 20 to 40 m² has an electrochemical sensor that detects the CO in the air, even with a small amount (approx. 27 ppm).
Easy to install: the necessary mounting material is included. Install one CO detector per floor, near your combustion equipment and near rooms. Make sure the alarm of 85 dB is audible by everyone.
DISPLAY: The display of the carbon monoxide detector shows you the CO concentration (PPM) and shows possible malfunctions: batteries or device at the end of life, incorrectly installed.
10 years sensor: the sensor of this CO detector has a service life of 10 years. The detector is powered by 3 AA batteries which are included. You will be warned by bright and acoustic signals that you need to change the batteries or replace your device.

26,17 €
04

Andyssey

Andyssey ZA326 Carbon Monoxide Detector with LCD Display, Portable CO Alarm Detector with Replaceable Battery, 10 Year Sensor, 85 dB Alarm Volume, Pack of 3

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9.4

Excellent

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Main highlights

Visual CO concentration memory: the CO detector automatically stores the highest CO concentrations in the LCD display. This allows you to track and check alarms even when you were away from home, thus better understanding the cause of alarm triggers. A three-colour LED informs you at a glance about the status of the detector: red for alarm, yellow for error and green for normal operation.
LONG TERM PROTECTION WITH REPLACEABLE BATTERIES: The carbon monoxide detector provides reliable, long-term protection thanks to a 10-year lifespan. The batteries are replaceable, you will be warned by bright and acoustic signals that you need to change the batteries or replace your device.
Effective protection against carbon monoxide (CO): The advanced electrochemical CO sensor detects dangerous carbon monoxide concentrations from 23 ppm to 999 ppm in real time and alerts you with a loud alarm (85 dB) to avoid danger early and ensure your safety.
Easy installation and versatile placement options: this portable carbon monoxide meter can be easily placed on any flat surface such as a table, shelf or bedside table. In addition, all necessary mounting materials are included to safely install the carbon monoxide detector on the wall - for maximum flexibility in placement.
COMPACT, PORTABLE AND FAMILY FRIENDLY With its minimalist design, the CO detector is both compact and portable. This monoxide detector can be wall mounted or used freestanding and fits perfectly into any home, office, hotel or even when travelling, at the same time blends elegantly into your living environment.

44,99 €
05

Fire Angel

FireAngel Carbon Monoxide Detector and Alarm - FA3313 Sensor with 10 Year Life - CO Detector for Home - Replaceable Battery, 1 Year Run Time - Travel CO Warner and Monitor - White

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9.2

Excellent

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TRAVEL CARBON MONOXIDE WARNER: Measuring 119 x 62 x 38 mm, this compact, freestanding device is travel-friendly and offers protection on the go. It also includes an integrated bracket and screws for easy wall mounting.
Safety with Fireangel: In addition to our carbon monoxide detectors, we offer a wide range of safety products for you and your family. In addition to the standard fire, smoke and heat detectors, you will also find intelligent and wireless devices.
SAFETY TESTED: The co-alarm FA3313 bears the CE and UKCA mark and is approved in accordance with BS EN 50291-1:2018 and EN 50291-2:2019. It is suitable for all private homes, including caravans, motorhomes, camper buses and boats.
Improved detection: the CO detector with high sensitivity mode is activated when the CO values rise to or above 180 ppm. This will trigger the alarm faster.
CO detector for your home: The advanced electrochemical sensor detects dangerous concentrations of carbon monoxide (CO) in your home; it will sound 4 loud beeps (85dB(A) at 3 m) and the red LCD display shows the warning "CO".
Battery included: each digital carbon monoxide detector contains 2 replaceable AA batteries with 1 year lifespan, with a flashing yellow "!" and an acoustic signal when the batteries need to be replaced.
Alarm memory: your CO sensor informs about a CO alarm in absence. If the alarm is not turned off, it will sound until the CO values are safe again. The red "CO" light continues to flash as an indication of previous activation.

25,80 €
06

Aroha

Aroha Safety Pro Carbon Monoxide Detector - 10 Year Battery - CO Detector, CO Gas Detector, CO Warner, Carbon Monoxide Meter, CO Sensor, CO Warning Detector

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9.1

Excellent

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Main highlights

Uninterrupted protection for a decade - Experience continuous safety in your home with the powerful 10-year lithium battery of the CO detector, which provides reliable, long-lasting protection without frequent replacement.
SMART SELF TEST - Stay calm with the CO detector's intelligent self-test function that performs tests every minute to ensure reliable protection.
Real-time carbon monoxide monitoring - Stay up to date with the carbon monoxide alarm with LCD display for instant CO values in real time.
Low battery level indicator for peace of mind - The 10-year battery of the Aroha carbon monoxide detector has a low battery indicator that informs you about a replacement in time. Enjoy peace of mind with proactive maintenance warnings.
Easy to use - Simplify safety with this user-friendly carbon monoxide detector and an easily accessible test and mute button.
Early warning - Get early warnings with this carbon monoxide detector as it accurately detects extremely low carbon monoxide concentrations and ensures that you are immediately alerted to potential hazards.
EFFORTLESS INSTALLATION - Install the carbon monoxide detector quickly with our step-by-step instructions, installation video and comprehensive FAQ guide. The included screw mounting or adhesive pad ensures a stable attachment and reduces accidental loosening.
CERTIFIED SAFETY - The CO detector undergoes rigorous testing and meets safety standards such as CE and EN 50291 and provides a reliable and compliant solution that meets the highest EU standards.
Advanced alarms - The Aroha Safety Pro CO detector equipped with a CO meter provides a timely alarm of 85 dB against dangerous carbon monoxide levels. Detect the invisible and odorless threat of CO gas and prevent potential hazards from incomplete combustion in appliances such as central heating boilers, geysers or chimneys.
10-year battery - Guarantee ten years of uninterrupted safety with the Aroha Safety Pro carbon monoxide detector, powered by an innovative 10-year lithium battery for worry-free operation. The battery cannot be replaced.

29,95 €
07

Aroha

Aroha Safety Pro Combination Smoke Detector and Carbon Monoxide Detector - 10 Year Battery - Combination Detector, CO Detector & Fire Alarm - Set of 2

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9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

PERFECT FOR HARD ACCESS AREAS - You can easily test or mute alarms by pressing the test button with a broom handle, making it perfect for hard-to-reach areas. Since frequent battery changes are a challenge in such areas, the 10-year battery of the combi detector is a practical solution.
Intelligent self-test - With the intelligent self-test function of the combined fire and CO detector, you stay on the safe side and perform checks every minute to ensure reliable protection.
Easy to use - Simplify safety with this user-friendly 2-in-1 combination detector. The entire front serves as a test and mute button that is easily accessible with a broom or umbrella while staying securely on the ground.
Early warning - Get early warnings with this carbon monoxide detector as it accurately detects extremely low carbon monoxide concentrations and ensures that you are immediately alerted to potential hazards.
EFFORTLESS INSTALLATION - Install the smoke and carbon monoxide detector quickly with our step-by-step instructions, installation video and comprehensive FAQ guide. The included screw attachment ensures a stable attachment and reduces accidental loosening.
CERTIFIED SAFETY - The combined smoke and CO detector has been rigorously tested and meets safety standards such as CE, EN 50291 and EN14604, providing a reliable and compliant solution that meets the highest EU standards.
All-in-one solution - The smoke detector and carbon monoxide detector quickly warn you of fire and high carbon monoxide concentrations. The Aroha Safety Pro Combi detector offers the ultimate protection against two dangers, combined in one alarm.
Advanced carbon monoxide detection - The combination detector equipped with a CO meter warns of dangerous carbon monoxide (CO) values in time with 85 dB alarms. Detect the invisible and odorless threat of CO gas and prevent potential hazards from incomplete combustion in appliances such as central heating boilers, geysers or chimneys.
ADVANCED PHOTOELECTRIC SENSORS - Stay one step ahead of potential hazards with this loud 85dB fire alarm from Aroha Safety Pro, equipped with advanced photoelectric sensors that last 10 years. Effective in detecting smoke from slow burning fires (cigarettes, electrical lines).
10-year battery - Ensure a decade of uninterrupted safety with the Aroha combination detector, powered by an innovative 10-year lithium battery for worry-free operation. The battery cannot be replaced.

59,95 €
08

Aroha

Aroha Safety Pro Smoke Detector, 10 Year Battery, Fire Detector, Smoke Detector, Fire Alarm System

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8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Uninterrupted protection for a decade - Experience continuous safety in your home with the powerful 10-year lithium battery of the fire alarms, which provides reliable, long-lasting protection without frequent replacement.
SLIM, MODERN DESIGN - Our smoke detector is characterised by an elegant and modern design that seamlessly combines style with first-class safety, giving your home an elegant look.
PERFECT FOR HARD ACCESS AREAS - You can easily test or mute alarms by pressing the test button with a broom handle, making it perfect for hard-to-reach areas. Since frequent battery changes are a challenge in such areas, the 10-year battery of the fire alarm is a practical solution.
Low battery indicator - The 10-year battery of the Aroha smoke detector has a low battery indicator that informs you in advance of the replacement. Enjoy peace of mind with proactive maintenance alerts.
Intelligent self-test - Stay safe with the intelligent self-test function of the fire detector that performs checks every minute to ensure reliable protection.
Easy to use - Simplify safety with this user-friendly smoke detector. The entire front serves as a test and mute button that is easily accessible with a broom or umbrella while staying securely on the ground.
EFFORTLESS INSTALLATION - Install the smoke detector quickly with our step-by-step instructions, installation video and comprehensive FAQ guide. The included screw attachment ensures a stable attachment and reduces accidental loosening.
CERTIFIED SAFETY - The Aroha Safety Pro smoke detector undergoes rigorous testing and meets safety standards such as CE and EN14604, providing a reliable and compliant solution that meets the highest EU standards.
Advanced photoelectric sensors - With this loud 85 dB fire alarm equipped with state-of-the-art photoelectric sensors and has a service life of 10 years, you are always one step ahead of potential hazards. Effective in detecting smoke from slow burning fires (cigarettes, electrical lines).
10-year battery - Ensure a decade of uninterrupted safety with the Aroha Safety Pro smoke detector, powered by an innovative 10-year lithium battery for worry-free operation. The battery cannot be replaced.

14,95 €
09

DAOKAI

DAOKAI PIR Human Sensor Module 5PCS AM312 DC 2.7-12V Mini Pyroelectric IR Sensor Body Manual Motion IR Detector Module with Dupont Cable

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8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Package includes 5 x mini human sensor modules, 1 x 15-pin female-to-female cable, 1 x 15-pin female to male cable
Module AM312 human body sensor module Operating voltage: DC 2.7-12V, low power consumption, small size, easy for embedded installation
FeaturesImproved interference resistance, internal digital signal processing, direct high and low output, repeatable trigger mode
Detection range ≤ 100 degree cone angle, 3-5 meters; (depending on lens)
Application: It is a digital intelligent automatic control product based on passive human infrared technology. It has high sensitivity and high reliability and is widely used in various safety products, induction toys for the human body, induction lighting for the human body, industrial automation control and other automatic induction devices

9,99 €
10

Aroha

Aroha Safety Pro Smoke Detector, 10 Year Battery, Fire Detector, Smoke Detector, Fire Alarm System, Set of 2

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8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

Uninterrupted protection for a decade - Experience continuous safety in your home with the powerful 10-year lithium battery of the fire alarms, which provides reliable, long-lasting protection without frequent replacement.
SLIM, MODERN DESIGN - Our smoke detector is characterised by an elegant and modern design that seamlessly combines style with first-class safety, giving your home an elegant look.
PERFECT FOR HARD ACCESS AREAS - You can easily test or mute alarms by pressing the test button with a broom handle, making it perfect for hard-to-reach areas. Since frequent battery changes are a challenge in such areas, the 10-year battery of the fire alarm is a practical solution.
Low battery indicator - The 10-year battery of the Aroha smoke detector has a low battery indicator that informs you in advance of the replacement. Enjoy peace of mind with proactive maintenance alerts.
Intelligent self-test - Stay safe with the intelligent self-test function of the fire detector that performs checks every minute to ensure reliable protection.
Easy to use - Simplify safety with this user-friendly smoke detector. The entire front serves as a test and mute button that is easily accessible with a broom or umbrella while staying securely on the ground.
EFFORTLESS INSTALLATION - Install the smoke detector quickly with our step-by-step instructions, installation video and comprehensive FAQ guide. The included screw attachment ensures a stable attachment and reduces accidental loosening.
CERTIFIED SAFETY - The Aroha Safety Pro smoke detector undergoes rigorous testing and meets safety standards such as CE and EN14604, providing a reliable and compliant solution that meets the highest EU standards.
Advanced photoelectric sensors - With this loud 85 dB fire alarm equipped with state-of-the-art photoelectric sensors and has a service life of 10 years, you are always one step ahead of potential hazards. Effective in detecting smoke from slow burning fires (cigarettes, electrical lines).
10-year battery - Ensure a decade of uninterrupted safety with the Aroha Safety Pro smoke detector, powered by an innovative 10-year lithium battery for worry-free operation. The battery cannot be replaced.

30,95 €