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10-Year Tiny Optical Smoke Alarm

The Cavius 10 Year Tiny Optical Smoke Alarm has won an award for its innovative design and is now known as the smallest smoke alarm in the World.

  • £15.29+ VAT
  • (£18.35 inc. VAT)
Full price: £29.86, saving £14.57
  • 49% less
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Delivered next working day if ordered before 2pm
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 With a diameter of 40mm, it packs in a load of features, including a sealed lithium battery capable of lasting for 10 years and a 30-day low battery indicator. This is the ideal choice for the home and, supplied with two screws and wallplugs, is easy to install on the ceiling.

Working like any ordinary alarm with a hush/test button for silencing alarms and checking its working condition, it also has a red LED condition indicator. 100% tested and approved to EN 14604:2005, it produces alarm sounds at 85 decibels and is suitable for bedrooms and living rooms to detect smouldering fires and materials. Ideally, aim to have at least one alarm on every floor, and avoid placing near a kitchen or shower room.


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