We tested 20 models to see which respond fastest to smoke.
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Overall score is based on smouldering and flaming fire sensitivity.
“Good” or “OK” meant the alarm sounded quickly enough to alert you to danger.
“Poor” meant the alarm took significantly longer to sound.
“Extreme” sensitivity meant the alarm sounded so quickly they are more likely to issue false alarms.
Ease of use includes instructions and ease of installation.
See "About our test" for more information.
Noise is measured in a quiet room 3m from the alarm.
Price is from a March 2018 price survey.
Bought 3 a month ago
The two screws supplied for fixing are not really fit for purpose.
they are a smaller screw 5 or 6 to enable them to fit the smaller space
in the mounting bracket. It is not possible to use larger screws.
The supplied screws will break when screwed into moderately to hard timber.
However the same size screws bought from a hardware store do not.
Yes, I recommend this product.