First Alert SA720 Safe & Sound Smoke alarm with Escape Light review
Test scoreShow Context
- Smoke alarm
- Battery only
- Optical smoke alarm
The First Alert SA720 Safe & Sound Smoke Alarm with scape Light Long Life No Nuisance smoke alarm comes with a hush button to use for weekly testing and an escape light to show the way in an emergency. But how good is it at detecting smoke? To get to the bottom of this, we took it to our test lab, so read on for our full review and to find out how well this First Alert smoke alarm got on.
- Pros and cons
Technical specifications
Test results
The overall Which? test score is made up of the following star ratings, all determined by our rigorous lab tests.
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- 0%Lowest score
- 43%Average score
- 93%Highest score
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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