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Smoke & carbon monoxide detectors

Sensors & Sirens

Sensors & Sirens

Fireangel FA3322-EUX10 Carbon Monoxide Alarm

Smoke, Gas

from

£29.97

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Kidde K7DCO Carbon Monoxide Detector

Smoke

from

£18.25

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Kidde K10LLCO Carbon Monoxide Detector

Smoke

from

£12.00

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Kidde K5DCO Carbon Monoxide Detector

Smoke

from

£17.00

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Alecto SDX10 Smoke and Carbon Monoxide Alarm

from

£110.28

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Netatmo Smart Carbon Monoxide Alarm

Battery, Smoke, Gas, Wi-Fi, HomeKit

from

£89.99

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Abus COWM510 Carbon Monoxide Detector

Smoke, CO₂

from

£32.11

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2 In 1 Co & Smoke Alarm, Carbon Monoxide Detectors With High Sensitivity For Comprehensive Home Protection, 10*10*4Cm For Halloween Parties

£47.81

at OnBuy

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Smoke and Carbon Monoxide Alarm with Digital Display, Combination Smoke & Carbon Monoxide Detectors for Home Safety, Smoke Alarm and Carbon Monoxide

£30.06

at OnBuy

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Advanced 2 In 1 Co & Smoke Alarm, Carbon Monoxide Detectors & Smoke Detector For Home And Kitchen, Dual Functionality Ensures Your Safety, Accurate De

£19.47

at OnBuy

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Advanced 2 In 1 Co & Smoke Alarm, Carbon Monoxide Detectors & Smoke Detector For Home And Kitchen, Dual Functionality Ensures Your Safety, Accurate

£29.53

at OnBuy

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Smoke And Carbon Monoxide Detectors, Digital Display For Instant Monitoring, Dual Alarm Sensors With Electrochemical And Infrared Photoelectric Sensor

£20.50

at OnBuy

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Protection Prodigy, Smoke and Carbon Monoxide Detectors with High Accuracy, Lifetime Free Battery Replacement Service for Hassle-Free Maintenance

£22.11

at OnBuy

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Smoke And Carbon Monoxide Detectors, Advanced Dual Alarm Sensors For Home Safety, Integrated Smoke And Carbon Monoxide Sensors, Battery-Powered Unit,

£30.64

at OnBuy

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Smoke Detector Combo Carbon Monoxide Detectors, UL2034Standards Model With LCD Display, Battery Powered Unit Offering Sensitive CO Sensor And Sound

£28.46

at OnBuy

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Smoke Detector Combo Carbon Monoxide Detectors, UL2034Standards Model With LCD Display, Battery Powered Unit Offering Sensitive CO Sensor And Sound

£28.46

at OnBuy

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Smoke And Carbon Monoxide Detectors, Dual Alarm Sensors For Accurate Detection, Digital Display, Electrochemical Sensor And Infrared Photoelectric Sen

£23.99

at OnBuy

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Digital Display Smoke And Carbon Monoxide Detectors, Innovative Dual Alarm Sensors, Electrochemical Sensor And Infrared Photoelectric Sensor For Accur

£21.96

at OnBuy

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2-in-1 Safety Guardian, Dual Sensor Smoke and Carbon Monoxide Detectors with High Accuracy, Easy to Install for Home Protection

£22.70

at OnBuy

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Home Safety Champion, 10-Year Lifespan Smoke and Carbon Monoxide Detectors, Digital Display for Accurate Monitoring

£31.33

at OnBuy

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Security Sentinel, Loud Alarm Smoke and Carbon Monoxide Detectors, High Accuracy for Reduced False Alarms

£19.49

at OnBuy

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Digital Display Smoke Detector Carbon Monoxide Detectors, LED Screen Fast And Accurate Detection Light And Sound Alarm Warning2In1CO & Smoke

£25.91

at OnBuy

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Smoke And Carbon Monoxide Detectors, Advanced Dual Alarm Sensors For Home Safety, Integrated Smoke And Carbon Monoxide Sensors, Battery-Powered Unit,

£31.99

at OnBuy

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Home Safety Champion, 10-Year Lifespan Smoke and Carbon Monoxide Detectors, Digital Display for Accurate Monitoring

£23.67

at OnBuy

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Ultimate Home Defender, Easy to Install Smoke and Carbon Monoxide Detectors, Loud Alarm for Instant Notifications

£25.22

at OnBuy

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Digital Display Smoke And Carbon Monoxide Detectors, Innovative Dual Alarm Sensors, Electrochemical Sensor And Infrared Photoelectric Sensor For

£33.42

at OnBuy

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Smoke And Carbon Monoxide Detectors, Digital Display For Instant Monitoring, Dual Alarm Sensors With Electrochemical And Infrared Photoelectric

£36.21

at OnBuy

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Ultimate Home Defender, Easy to Install Smoke and Carbon Monoxide Detectors, Loud Alarm for Instant Notifications

£33.94

at OnBuy

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Portable 4-in-1 Carbon Monoxide Detectors, Combustible Gas & Temperature Humidity Sensor, High Accuracy Portable CO Smoke Alarm with Ultra Hd Color Sc

£52.27

at OnBuy

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Portable CO Smoke Alarm, Combustible Gas & Temperature Humidity Sensor with 4-in-1 Carbon Monoxide Detectors, Rechargeable Battery Air Quality Monitor

£38.41

at OnBuy

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2-Pack Carbon Monoxide & Smoke Detectors, LCD, 10.7cm White

£33.46

at OnBuy

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Combustible Gas & Temperature Humidity Sensor with Portable CO Smoke Alarm, 4-in-1 Carbon Monoxide Detectors for Your Indoor Outdoor Adventures,

£32.95

at OnBuy

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CPVAN Wireless Interlinked Smoke, Heat & Carbon Monoxide Alarm Bundle, Scotland & England Law Compliant | 10-year Battery Life, Pre-Linked Fire Detectors for Home,4 Pack + 1 Remote（2nd Generation）

£67.99

at Amazon.co.uk

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CPVAN Wireless Interlinked Smoke, Heat & Carbon Monoxide Alarm Bundle, Scotland & England Law Compliant | 10-year Battery Life, Pre-Linked Fire Detectors for home,5 Pack + 1 Remote（2nd Generation）

£82.44

at Amazon.co.uk

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CPVAN Wireless Interlinked Smoke, Heat & Carbon Monoxide Alarm Bundle, Scotland & England Law Compliant | 10-year Battery Life, Pre-Linked Fire Detectors for Home,6 Pack + 2 Remote（2nd Generation）

£98.59

at Amazon.co.uk

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In 1 Co & Smoke Detectors, Loud 85 Db Alarm For Instant Alerts, Carbon Monoxide Detector With Digital Display And Led Lights, Portable And Easy To

£31.13

at OnBuy

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Carbon Monoxide Detector, 10-Year Sealed Battery For Long-Term Protection, 2 In 1 Co & Smoke Detectors With Digital Display, Fast And Accurate

£30.93

at OnBuy

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LCD Digital Display Carbon Monoxide Detectors Smoke Detector, 2In1CO & Smoke Alarm With LED Screen Fast And Accurate Detection Battery Operated

£22.91

at OnBuy

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4-in-1 Carbon Monoxide Detectors, Rechargeable Battery Air Quality Monitor with Portable CO Smoke Alarm, Ultra HD Color Screen Display for Indoor

£52.27

at OnBuy

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Easy To Install Carbon Monoxide Detectors, Led Screen Offering Comprehensive Protection Against Smoke And Co Hazards, 10*10*4Cm For Halloween Parties

£26.28

at OnBuy

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4-in-1 Carbon Monoxide Detectors with Portable CO Smoke Alarm, Rechargeable Battery Air Quality Monitor for Indoor Outdoor Usage, Ultra HD Color

£59.31

at OnBuy

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Battery Operated Carbon Monoxide Detectors, UL 2034 Standards Compliant High Accuracy Carbon Monoxide Alarm with LCD Display Sound Warning Smoke

£25.19

at OnBuy

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Top-Tier Carbon Monoxide Detectors & Smoke Alarm, 2 In 1 Dual Functionality Ensures Comprehensive Safety, Accurate Detection With Electrochemical And

£27.34

at OnBuy

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Carbon Monoxide Detector, Portable And Easy To Install With Digital Display, 2 In 1 Co & Smoke Detectors For Home Or Office, Fast And Accurate

£23.95

at OnBuy

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Ansmann Battery Especially for Smoke Detectors, Fire Alarms, Carbon Monoxide Gas Detectors, Long Life, 6LR61, 6AM6, MN1604 Alkaline Battery, 9 V, E-Block 7-Year Service Life

£13.92

at Amazon.co.uk

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Combination Carbon Monoxide Detectors &Smoke Alarm, CO Alarm Detector With Digital LCD Display and Voice Warning,Suitable for your Home,Garage,Office

£24.35

at OnBuy

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Carbon Monoxide Detectors Plug In, 4-in-1 Portable Smoke and CO Detector Alarm Temp Humidity Sensor with Battery Backup Real-Time Monitoring for Home

£61.50

at OnBuy

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Smoke and CO Detector Alarm Plug In Design, 4-in-1 Carbon Monoxide Detectors with Battery Backup Real-Time Monitoring Temp Humidity Sensor High-Accura

£45.52

at OnBuy

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Portable Smoke and CO Detector Alarm, 4-in-1 Carbon Monoxide Detectors with Temp Humidity Sensor and Magnetic Converter Real-Time Monitoring Plug In

£29.82

at OnBuy

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Sensitive CO Sensor Carbon Monoxide Detectors Battery Powered, LCD Display with Sound Warning UL2034Certified Smoke Detection Capability Wireless

£16.06

at OnBuy

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Portable Smoke and CO Detector Alarm, 4-in-1 Carbon Monoxide Detectors with Temp Humidity Sensor and Magnetic Converter Real-Time Monitoring Plug In D

£61.50

at OnBuy

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Carbon Monoxide Detectors Real-Time Monitoring, 4-in-1 Smoke and CO Detector Alarm with Temp Humidity Sensor Plug In Design Battery Backup High-Accura

£47.42

at OnBuy

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Carbon Monoxide Detectors Plug In, 4-in-1 Portable Smoke and CO Detector Alarm Temp Humidity Sensor with Battery Backup Real-Time Monitoring for Home

£53.82

at OnBuy

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Carbon Monoxide Detectors Smoke Alarm CO Gas Sensor Detector Warning Alarm LCD Indicator

£12.99

at OnBuy

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(WHITE) Portable Carbon Monoxide Detectors Battery Powered Smoke and Carbon Monoxide Detector Alarm LCD Display CO Sensor for Home Depot

£16.11

at OnBuy

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Portable Carbon Monoxide Detectors Smoke Detector Alarm LCD Display CO Sensor for Home Depot Battery Powered UK

£18.11

at OnBuy

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3 Packs Carbon Monoxide Detector - AGSMXSYG Carbon Monoxide Alarms Battery Powered with Digital Display, CO Detectors Alarms Monitor for Home,RV & Kitchen

£31.99

at Amazon.co.uk

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3 Packs Carbon Monoxide Detectors, AGSMXSYG Carbon Monoxide Alarm Battery Powered with Digital Display, CO Detector Alarms Monitor Battery Operated for Home,RV & Kitchen

£31.97

at Amazon.co.uk

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(As show, One size) Carbon Monoxide & Natural Gas Combination Detector Plug in Wall Detectors CO & Natural Gas 4 in 1 CO

£22.92

at OnBuy

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Carbon Monoxide Detectors, 0-1000PPM CO Detector with Audible & Visual Alarm, Portable CO Gas Meter

£31.44

at OnBuy

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Smart Home Safety, Combination Gas & Carbon Monoxide Detectors, Portable Carbon Monoxide Detector, Human Voice Prompt Ensures Clear Alerts, For Your

£31.24

at OnBuy

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Portable Carbon Monoxide Detectors, 3-in-1 CO Detector â Mini CO, Temp & Humidity Sensor with 85 dB Alarm

£47.29

at OnBuy

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2 PCS Carbon Monoxide Detector - Carbon Monoxide Alarms Battery Powered with Digital Display, CO Detectors Alarms Monitor for Home,RV & Kitchen

£47.83

at OnBuy

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2 PCS Carbon Monoxide Detector - Carbon Monoxide Alarms Battery Powered with Digital Display, CO Detectors Alarms Monitor for Home,RV & Kit

£40.78

at OnBuy

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KJUN Carbon Monoxide Detector - Carbon Monoxide Alarms Battery Powered with Digital Display, CO Detectors Alarms Monitor for Home,RV & Kitchen

£26.83

at OnBuy

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Combustible Gas & Carbon Monoxide Detectors Plugs-Black

£25.15

at OnBuy

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1pc Carbon Monoxide Detectors Plug in & Natural Gas Leak Detector, Propane Gas Detector EU Plug

£18.92

at OnBuy

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Carbon Monoxide & Natural Gas Combination Detectors CO & Natural Gas 4 in 1 CO Monitor Alarm with LCD Display EU Plug

£18.18

at OnBuy

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Carbon Monoxide & Natural Gas Combination Detectors CO & Natural Gas 4 in 1 CO Monitor Alarm with LCD Display EU Plug

£17.44

at OnBuy

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1pc Carbon Monoxide Detectors Plug in & Natural Gas Leak Detector, Propane Gas Detector EU Plug

£17.50

at OnBuy

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ONB7-4-in-1 Upgraded Natural Gas-Leak Detector and Carbon Monoxide Detectors,Plug in with Temperature & Humidity Monitor US

£23.31

at OnBuy

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Carbon Monoxide Detector - Carbon Monoxide Alarms Battery Powered with Digital Display, CO Detectors Alarms Monitor for Home,RV & Kitchen

£21.00

at OnBuy

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2 PCS Carbon Monoxide Detector - Carbon Monoxide Alarms Battery Powered with Digital Display, CO Detectors Alarms Monitor for Home,RV &

£53.99

at OnBuy

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1pc Carbon Monoxide Detectors Plug in & Natural Gas Leak Detector, Propane Gas Detector EU Plug

£19.35

at OnBuy

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1pc Carbon Monoxide Detectors Plug in & Natural Gas Leak Detector, Propane Gas Detector EU Plug

£19.62

at OnBuy

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Carbon Monoxide & Natural Gas Combination Detectors CO & Natural Gas 4 in 1 CO Monitor Alarm with LCD Display EU Plug

£16.53

at OnBuy

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Carbon Monoxide & Natural Gas Combination Detectors CO & Natural Gas 4 in 1 CO Monitor Alarm with LCD Display EU Plug

£21.29

at OnBuy

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Carbon Monoxide & Natural Gas Combination Detectors CO & Natural Gas 4 in 1 CO Monitor Alarm with LCD Display EU Plug

£18.31

at OnBuy

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Carbon Monoxide & Natural Gas Combination Detectors CO & Natural Gas 4 in 1 CO Monitor Alarm with LCD Display EU Plug

£19.76

at OnBuy

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Carbon Monoxide & Natural Gas Combination Detectors CO & Natural Gas 4 in 1 CO Monitor Alarm with LCD Display EU Plug

£16.46

at OnBuy

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1pc Carbon Monoxide Detectors Plug in & Natural Gas Leak Detector, Propane Gas Detector EU Plug

£21.71

at OnBuy

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Carbon Monoxide Alarm Battery Powered, AGSMXSYG Carbon Monoxide Detector Battery Operated with Digital Display, CO Detectors Alarms Monitor for Home,RV & Kitchen

£13.58

at Amazon.co.uk

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Carbon Monoxide Detectors Battery Powered, AGSMXSYG Carbon Monoxide Alarm with Digital Display, CO Detector Alarms Monitor Battery Operated for Home,RV & Kitchen

£10.97

at Amazon.co.uk

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Combination Gas & Carbon Monoxide Detectors Plug In With Digital Display 85 Db Alarm High Sensitivity Sensors Flame Retardant Shell For Home Safety

£18.45

at OnBuy

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3 Packs Carbon Monoxide Detector - AGSMXSYG Carbon Monoxide Alarms Battery Powered with Digital Display, CO Detectors Alarms Monitor for Home,RV &

£70.80

at OnBuy

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Carbon Monoxide Detector - Carbon Monoxide Alarms Battery Powered with Digital Display, CO Detectors Alarms Monitor for Home,RV & Kitchen

£26.42

at OnBuy

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KJUN 2 PCS Carbon Monoxide Detector - Carbon Monoxide Alarms Battery Powered with Digital Display, CO Detectors Alarms Monitor for Home,RV & Kitc

£47.83

at OnBuy

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Carbon Monoxide Detector - Carbon Monoxide Alarms Battery Powered with Digital Display, CO Detectors Alarms Monitor for Home,RV & Kitch

£28.99

at OnBuy

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(black) WiFi 4-in-1 Carbon Monoxide Detectors/ Natural Gas Leak Detector /Temperature & Humidity for Home Real-Time Gas Detector

£63.87

at OnBuy

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1pc Carbon Monoxide Detectors Plug in & Natural Gas Leak Detector, Propane Gas Detector EU Plug

£15.59

at OnBuy

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Carbon Monoxide & Natural Gas Combination Detectors CO & Natural Gas 4 in 1 CO Monitor Alarm with LCD Display EU Plug

£23.04

at OnBuy

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Carbon Monoxide & Natural Gas Combination Detectors CO & Natural Gas 4 in 1 CO Monitor Alarm with LCD Display EU Plug

£16.34

at OnBuy

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Carbon Monoxide & Natural Gas Combination Detectors CO & Natural Gas 4 in 1 CO Monitor Alarm with LCD Display EU Plug

£20.80

at OnBuy

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Carbon Monoxide & Natural Gas Combination Detectors CO & Natural Gas 4 in 1 CO Monitor Alarm with LCD Display EU Plug

£20.30

at OnBuy

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FireAngel FA3820 10 Year Sealed Battery Alarm Carbon Monoxide, Clear & FireAngel Optical Smoke Alarm with 10 Year Sealed For Life Battery, FA6620-R-T2 - Twin Pack , White

£48.98

at Amazon.co.uk

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FireAngel FA3820-T2 10 Year Sealed Battery Alarm Carbon Monoxide & FireAngel Optical Smoke Alarm with 10 Year Sealed For Life Battery, FA6620-R (ST-622 / ST-620 replacement, new gen) , White

£62.72

at Amazon.co.uk

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FireAngel FA3313-T2 Replaceable Battery Detector Twin Pack Carbon Monoxide Alarm & FireAngel Optical Smoke Alarm with 5 Year Replaceable Batteries, FA6615-R (ST-625 replacement, new gen)

£49.99

at Amazon.co.uk

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FireAngel Optical Smoke Alarm with 10 Year Sealed For Life Battery, FA6620-R-T2 (ST-622 / ST-620 replacement, new gen) & FA6813-EUX10 FA6813 Carbon Monoxide Detector & Alarm

£41.37

at Amazon.co.uk

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FireAngel SCB10-R Smoke and CO Alarm, White & FA3820 10 Year Sealed Battery Alarm Carbon Monoxide, Clear

£49.98

at Amazon.co.uk

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X Sense Combination Smoke and Carbon Monoxide Alarm with LCD Display & 10 Year

£48.42

at eBay

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