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Best Smoke Alarms

Smoke Detector Comparison 2026

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Recommendation
Bosch BSD-2 II
Bosch BSD-2 II
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Amazon
Bestseller
Elro FS1805
Elro FS1805
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Amazon
Best Price
Smartwares RM250
Smartwares RM250
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Amazon
X-Sense smoke alarm
X-Sense smoke alarm
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Amazon
X-Sense XS0G-SN
X-Sense XS0G-SN
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Amazon
X-Sense XS01-M
X-Sense XS01-M
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Amazon
Hekatron Genius Plus Edition
Hekatron Genius Plus Edition
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Amazon
Our Ratings
Model
Customer Ratings
Seller
Available From
Manufacturer
Type
Defect gas type
Maximum volume
Power supply
Battery life
Batteries included
EN 14604 certified
Control lamp
Mounting accessories
Dimensions
Weight
Colour
Casing material
Display features
Advantages
1
Recommendation
Bosch BSD-2 II
Vergleichsergebnis
Rating
Excellent
05 / 2026
Model
Bosch BSD-2 II
Bewertung
701 Reviews
Zum Anbieter
Amazon
Available at
Amazon
£64.59
eBay
Check Price
Currys.co.uk
£59.99
Manufacturer
Bosch
Type
Optical smoke detector
Defect gas type
Smoke
Maximum volume
85 dB
Power supply
Lithium metal battery, Battery
Battery life
5 Years
Batteries included
EN 14604 certified
Control lamp
Mounting accessories
Dimensions
1,6 x 5,4 x 5,4 in
Weight
5,5 oz
Colour
White
Casing material
Plastic
Display features
Advantages
  • An control lamp is included
  • Already contains batteries
2
Bestseller
Elro FS1805
Vergleichsergebnis
Rating
Excellent
05 / 2026
Model
Elro FS1805
Bewertung
1119 Reviews
Zum Anbieter
Amazon
Available at
Amazon
£14.44
eBay
£12.99
Manufacturer
Elro
Type
Optical smoke detector
Defect gas type
Smoke
Maximum volume
85 dB
Power supply
Battery/rechargable Battery
Battery life
5 Years
Batteries included
EN 14604 certified
Control lamp
Mounting accessories
Dimensions
1,3 x 3,5 x 3,5 in
Weight
2 oz
Colour
White
Casing material
Plastic
Display features
Advantages
  • No additional purchase of batteries necessary
  • An control lamp is included
3
Best Price
Smartwares RM250
Vergleichsergebnis
Rating
Excellent
05 / 2026
Model
Smartwares RM250
Bewertung
16423 Reviews
Zum Anbieter
Amazon
Available at
Amazon
£11.14
eBay
£8.39
Rapidonline.com
£7.96
Manufacturer
Smartwares
Type
Optical smoke detector
Defect gas type
Fire smoke
Maximum volume
85 dB
Power supply
Battery/rechargable Battery
Battery life
5 Years
Batteries included
EN 14604 certified
Control lamp
Mounting accessories
Dimensions
13,8 x 3,1 x 9,8 in
Weight
4,2 oz
Colour
White
Casing material
Plastic
Display features
Advantages
  • No additional purchase of batteries necessary
4
X-Sense smoke alarm
Vergleichsergebnis
Rating
Excellent
05 / 2026
Model
X-Sense smoke alarm
Bewertung
901 Reviews
Zum Anbieter
Amazon
Available at
amazon
£11.55
eBay
£22.61
Manufacturer
X-Sense
Type
Defect gas type
Smoke
Maximum volume
85 dB
Power supply
Battery
Battery life
10 Years
Batteries included
EN 14604 certified
Control lamp
Mounting accessories
Dimensions
1,8 x 4,8 x 4,8 in
Weight
Colour
White
Casing material
Display features
Advantages
5
X-Sense XS0G-SN
Vergleichsergebnis
Rating
Excellent
09 / 2026
Model
X-Sense XS0G-SN
Bewertung
743 Reviews
Zum Anbieter
Amazon
Available at
amazon
£17.98
eBay
Check Price
Manufacturer
X-Sense
Type
Defect gas type
Smoke
Maximum volume
Power supply
Battery
Battery life
Batteries included
EN 14604 certified
Control lamp
Mounting accessories
Dimensions
Weight
Colour
White
Casing material
Display features
Advantages
  • Has a control lamp
  • No additional purchase of batteries necessary
6
X-Sense XS01-M
Vergleichsergebnis
Rating
Excellent
05 / 2026
Model
X-Sense XS01-M
Bewertung
665 Reviews
Zum Anbieter
Amazon
Available at
amazon
£22.99
eBay
Check Price
Manufacturer
X-Sense
Type
Optical smoke detector
Defect gas type
Smoke, Carbon monoxide
Maximum volume
100 dB
Power supply
Battery, Wired
Battery life
Batteries included
EN 14604 certified
Control lamp
Mounting accessories
Dimensions
1,9 x 3,1 x 3,1 in
Weight
Colour
White
Casing material
Plastic
Display features
Advantages
7
Hekatron Genius Plus Edition
Vergleichsergebnis
Rating
Excellent
05 / 2026
Model
Hekatron Genius Plus Edition
Bewertung
4425 Reviews
Zum Anbieter
Amazon
Available at
amazon
£24.38
eBay
Check Price
Manufacturer
Hekatron
Type
Optical smoke detector
Defect gas type
Fire smoke, Carbon monoxide
Maximum volume
85 dB
Power supply
AA battery, Battery, Power adapter
Battery life
10 Years
Batteries included
EN 14604 certified
Control lamp
Mounting accessories
Dimensions
12,6 x 4,3 x 44,1 in
Weight
7,4 oz
Colour
White
Casing material
Plastic
Display features
Advantages
  • Features a control lamp
  • Batteries are included