Advertising Disclosure Safety Sensors Detectors Comparison - June 2025
7 Best Safety Sensors Detectors In the UK
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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| 1 Best Choice  9.7Exceptional | 2  9.6Exceptional | 3  9.5Excellent | 4 Best Value  9.4Excellent | 5  9.1Excellent | 6  9.0Excellent | 7  8.7Very Good |
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ModelKidde 5CO Carbon Monoxide Alarm and Detector with AA Batteries - 10 Year Sensor Life CO Alarm for Home | Model FireAngel Carbon Monoxide Alarm and Detector - FA6813 10-Year Sensor Life CO Alarm for Home with AA Batteries - Travel, Portable Carbon Monoxide Detector - CO Detector Monitor with Test Button | Model FireAngel Optical Smoke Alarm 2-Pack - FA6620 10-Year Battery Smoke Alarms for Home with Test/Silence Button - Replacement for FireAngel ST-622/ST-620 - Early Smoke Detector Fire Alarm - White | Model FireAngel Carbon Monoxide Detector 10-Year Life Sealed Battery - FA3820 Carbon Monoxide Alarm for Home and Holiday - Portable CO Alarm - Travel Carbon Monoxide Detector and Monitor - White | Model FireAngel SB1-R Smoke Alarm - Toast Proof, Optical Smoke Alarms for Home with Replaceable Battery and Test/Silence Button - Early Smoke Detector Fire Alarm - 90 x 35 mm - White - 2-Pack | Model X-Sense Carbon Monoxide Detector, Replaceable Battery Powered CO Alarm with Digital Display, Portable Carbon Monoxide Alarm for Home with CO Peak Value Memory, XC0C-SR, 1-Pack | Model Safeliveo Carbon Monoxide Alarm, Carbon Monoxide Detector with Silence Button 10 Years Sensor Life for Home Safety, CO alarms Replaceable Batteries Powered - EN 50291 Standard,Standalone,1 Pack |
BrandKidde | Brand Fireangel | Brand Fireangel | Brand Fireangel | Brand Fireangel | Brand X-Sense | Brand Safeliveo |
Reviews | Reviews | Reviews  | Reviews | Reviews | Reviews | Reviews  |
Features | ||||||
Easy installation 9.9 | Easy installation 9.8 | Easy installation 9.6 | Easy installation 9.3 | Easy installation 9.9 | Easy installation 9.3 | Easy installation 9.1 |
Worth the money 9.8 | Worth the money 9.6 | Worth the money 9.4 | Worth the money 8.6 | Worth the money 9.1 | Worth the money 7.9 | Worth the money 7.7 |
Battery duration 9.9 | Battery duration 9.8 | Battery duration 9.3 | Battery duration 9.1 | Battery duration 7.7 | Battery duration 7.0 | Battery duration 7.0 |
Tech Specs | ||||||
item weight 115 g | item weight 141 g | item weight 138 g | item weight 95 g | item weight - | item weight 181 g | item weight 180 g |
batteries included Yes | batteries included Yes | batteries included Yes | batteries included Yes | batteries included - | batteries included Yes | batteries included Yes |
customer reviews4.7 4.7 out of 5 stars 28, 269 ratings 4.7 out of 5 stars | customer reviews 4.7 4.7 out of 5 stars 587 ratings 4.7 out of 5 stars | customer reviews 4.5 4.5 out of 5 stars 2, 280 ratings 4.5 out of 5 stars | customer reviews 4.6 4.6 out of 5 stars 1, 267 ratings 4.6 out of 5 stars | customer reviews - | customer reviews 4.8 4.8 out of 5 stars 79 ratings 4.8 out of 5 stars | customer reviews 4.7 4.7 out of 5 stars 35 ratings 4.7 out of 5 stars |
style Single Unit | style Single Pack | style New Gen Twin Pack | style Single | style - | style Standalone Model | style 1 PACK CO04 |
battery cell type Alkaline | battery cell type Alkaline | battery cell type Lithium | battery cell type Lithium | battery cell type - | battery cell type Alkaline | battery cell type Alkaline |
batteries required Yes | batteries required Yes | batteries required Yes | batteries required Yes | batteries required - | batteries required Yes | batteries required Yes |
included components Screws for wall mounting optional , Batteries | included components Carbon Monoxide Alarm, 2 x AA Batteries, Manual | included components 2 x Baseplate, 1 x Instruction Manual, 2 x Optical Smoke Alarms complete with Sealed Batteries | included components 1 x Carbon Monoxide Detector with sealed battery , 1 x Manual | included components - | included components 1 Carbon Monoxide Alarm, 2 x AA Batteries Pre-installed , 2 x Screws, 2 x Anchor plugs, 1 x Drill Hole Spacing Indicator Label, 1 User manual | included components - |
item package quantity 1 | item package quantity 1 | item package quantity 1 | item package quantity 1 | item package quantity - | item package quantity 1 | item package quantity - |
power source Battery Powered | power source Battery Powered | power source Battery Powered | power source Battery Powered | power source - | power source Battery Powered | power source - |
product dimensions 12.6 x 3.5 x 7.2 cm 115 g | product dimensions 5 x 12.3 x 8 cm 141 g | product dimensions - | product dimensions 3.3 x 12.5 x 6.7 cm 95 g | product dimensions - | product dimensions 14.2 x 3.2 x 7.5 cm 180.5 g | product dimensions - |
batteries 2 AA batteries required. included | batteries - | batteries 2 CR123A batteries required. included | batteries 1 CR123A batteries required. included | batteries - | batteries - | batteries 2 AA batteries required. included |
size Alarm Dimensions 126 x 72 x 35mm | size - | size 2 count pack of 1 | size - | size - | size 1-PACK | size 1 PACK |
color White | color - | color White | color Clear | color - | color - | color - |
Available On | Available On | Available On | Available On | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.7
1Kidde23% OffKidde 5CO Carbon Monoxide Alarm and Detector with AA Batteries - 10 Year Sensor Life CO Alarm for Home
9.9 Easy installation9.9 Battery Duration9.8 worth the moneyWhy we love it
Portable and easy to install.
Long-lasting with a 10-year alarm life.
Comes with a 7-year warranty.
-
9.6
2Fireangel19% Off
FireAngel Carbon Monoxide Alarm and Detector - FA6813 10-Year Sensor Life CO Alarm for Home with AA Batteries - Travel, Portable Carbon Monoxide Detector - CO Detector Monitor with Test Button
9.8 Easy installation9.8 Battery Duration9.6 worth the moneyWhy we love it
Detects dangerous CO levels effectively.
Battery replacement is easy and convenient.
Portable for travel protection.
-
9.5
3Fireangel
FireAngel Optical Smoke Alarm 2-Pack - FA6620 10-Year Battery Smoke Alarms for Home with Test/Silence Button - Replacement for FireAngel ST-622/ST-620 - Early Smoke Detector Fire Alarm - White
9.6 Easy installation9.4 worth the money9.3 Battery DurationWhy we love it
Easy installation on existing baseplates.
Sealed battery lasts 10 years.
Quiet test feature is user-friendly.
Our ranking system
The TopChoice.co.uk Team selects top-of-the-line items from a wide selection and conducts rigorous evaluations on almost all the products available on the internet. We rank each product based on how well it matches our criteria.We can ensure that the product is well-tested with the help of our expertise, experts, and artificial intelligence technology. TopChoice.co.uk requires consistent care for the products we review, ensuring that our assessments are always accurate and up to date.
Features
Our team of experts analyzes key attributes, capabilities, significance, and many more depending on the type of product to determine its effectiveness.
Consumer Reviews
We ensure an evaluation of the ratings using references all over the internet for each product. With the help of our AI technology and professional review teams, we give weight to the worth of individual user experiences.
Popularity
Popularity is an important criterion in choosing a product. Several factors contribute to the popularity of the products on our site, including prestige, relevance, reputation, news, and more.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
