We use cookies to allow us and selected partners to improve your experience and our advertising. By continuing to browse you consent to our use of cookies as per our policy which also explains how to change your preferences.

Kidde 10SCO Combination Smoke & CO Alarm review

Launched Reviewed

Try Which? for £1 to reveal the products that perform

Typical price


The Kidde 10SCO combination smoke and CO alarm is built to detect both smoke and carbon monoxide. This review covers how it fared in our tests when challenged to detect carbon monoxide. It’s powered by a 9v battery and comes with a 10-year warranty and will sound to let you know when it’s reached the end of its working life.
Is it worth your money?
Or is it a waste of cash?

The Which? difference

As well as thousands of impartial product reviews from our Test Labs, a Which? membership also gets you:

  • Unlimited access across which.co.uk
  • Advice on the move with our apps
  • Which? magazine delivered to your door
  • The inside scoop on important issues, from scams to savings accounts

Which? can help you make good decisions