Smoke Alarm Tiny Optical Cavius 5-Year

Sale price £25.50

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The World’s smallest smoke alarm at just 4cm in diameter, the Cavius 5 Year Optical Smoke Alarm has an award-winning design which you can depend on. Despite its micro size, the alarm works in exactly the same as any other alarm. With a hush and test button allowing you to silence alarms and test the battery condition, it has red LED indicator and a 30-day low battery warning too.

Supplied with a replaceable 5-year lithium battery, this small battery smoke alarm is still capable of producing a loud siren at 85 decibels. Ideal for homes and caravans, with an unobtrusive design which won the reddot design awards for 2013, the alarm takes an optical reading every 8 seconds in order to check for the presence of smoke. Easy to install and test, the Cavius smoke alarm has been 100% tested and is approved to standard EN 14604:2005.

  • Optical alarms are suitable for smouldering fires and material and should be used in bedrooms and living rooms - a house should have a combination of optical and ionisation – with at least one on every floor.


  • Do not use in or near to a kitchen or shower room.


  • Fixing requires two little screws and wallplugs (included).

Also available with a 10 Year sealed battery.

Technical Specification

  • 5-year warranty
  • Approved to EN 14604:2005., CE Marked
  • Battery included plus hush button and test button
  • Diameter 40mm
  • Depth 42mm
  • Manufactured by Cavius

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