First Alert SA720 Safe & Sound Smoke alarm with Escape Light review
Test score %
- 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
General
Test results
The overall Which? test score is made up of the following star ratings, all determined by our rigorous lab tests.
Find out how we test smoke alarmsPut 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.
Make smarter choices
- 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.
Suggested alternatives
Related articles
How to buy the best smoke alarms
Buying or replacing smoke alarms? We reveal what you need to consider for fire safety, and which fire alarms or smoke detectors are most suitable for your home
How to place and maintain smoke alarms
Which? expert advice on where to put your smoke alarm, which type to buy, plus vital information on what you need to know about maintaining a smoke alarm.
How we test smoke alarms and heat alarms
Which? tests smoke alarms to find which alarms will alert your family to every type of house fire, and which smoke alarms you can't trust to keep you safe.