Kidde i9040 Lifesaver Compact Smoke Alarm review
Test score %
- Smoke alarm (battery powered)
- Ionisation smoke alarm
Kidde i9040 Lifesaver Compact Smoke Alarm won’t break the bank – at less than a tenner it’s certain to appeal to many looking to make their homes safe. As it’s often available in a twin-alarm pack, this smoke alarm does seem to offer good value. But the all-important question revolves around how well this Kidde alarm detects smoke in an emergency. Our full review reveals what happened when we put this model through four different types of test fires at our lab.
- 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
- 42%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.