Smoke alarms

We tested 12 models to see which respond fastest to smoke.

Smoke alarm on ceiling.

Sentech

Micro SK-20NZ

recommended

80

Avg price

$45

Member Reviews

    Test results

    • 70
      Ease of use

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    How we test

    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.

    Noise is measured in a quiet room 3m from the alarm.

    Find out more about how we test smoke alarms

    More test results

    • Smouldering fire sensitivity

      Good

    • Flaming fire sensitivity

      Good

    Model

    • Avg price

      $45

    • Alarm type

      Photoelectric

    • Noise

      93dBA

    • Battery type

      Sealed lithium

    • Size

      Mini

    Features

    • Battery life

      10 years

    • Alarm life

      10 years

    • Warranty

      5 years

    • Hush period

      9min

    • Carbon monoxide alarm

    • Alarms can be linked

    • Voice alerts

    More info

    • Notes

      -

    • Availability

      Electrical trade stores.