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First Alert SA700 Long Life No Nuisance Smoke Alarm review

£20.00 Typical price

Test scoreShow Context

Key features
  • Smoke alarm
  • Battery only
  • Optical smoke alarm
Expert review

The First Alert SA700 Long Life No Nuisance smoke alarm comes with a 10-year sealed battery, so you won’t need to replace the batteries for this alarm’s lifetime. It comes with a hush button to use for weekly testing, but how good is it at detecting smoke in an emergency? To find out, we tested it. Keep reading for our verdict, fire test results and the test score for this First Alert smoke alarm.

What's included:
  • Pros and cons
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First reviewed by Which?

July 2013

Test results
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Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.

Best Buys and Don't Buys
We have tested 38 smoke alarms and found that there are 9 Don't Buys and 8 Best Buys.
Range of Smoke alarm scores
  1. 0%
    Lowest score
  2. 38%
    Average score
  3. 93%
    Highest score
We'll show you where this model sits on the scale so that you can see how it compares to smoke alarms we've tested
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Digital first month only £3.99, then £7.99 p/m, cancel any time

Put us to the test

Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.

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