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Jalo Helsinki

Smoke Alarm - Kupu 10

Smoke Alarm - Kupu 10

Regular price £35.00 GBP
Regular price £35.00 GBP Sale price £35.00 GBP
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Kupu 10 by Harri Koskinen is a battery-powered smoke alarm intended for domestic use. Kupu 10 is an upgraded version of our classic Kupu Original Smoke alarm.

  • Non-replaceable 10-year Lithium battery
  • Completes your interior design in style
  • Kupu has a unique textile surface making its appearance very smooth
  • The entire front surface functions as a test button
  • Fast installation with an adhesive tape
  • Tested and certified in EU
  • Mounting plate included


Free door-to-door delivery within 2-10 days, depending on the shipping location. Learn more about shipping here.


Don't love it? Return it within 30 days.

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  • Features

    10 year sealed Lithium battery.
    Automatic power activation upon installation.
    Fast installation with 3M double sided tape or with mounting screws.
    Entire surface functions as a test button.
    Silence function.

  • Smoke sensing

    Jalo Helsinki smoke alarms operate with optical smoke detection technology. Optical or photoelectric detection is the most modern, most common and most reliable technology used in the smoke alarms.

  • Alarm sound

    When the alarm detects smoke, it signals it with a loud and continuous warning sound of more than 85 decibels. The smoke alarm also has a false alarm silence function.

  • Reliability

    Jalo smoke alarms are equipped with a self diagnostic function that checks itself at regular intervals to ensure proper operation of the device throughout its life.




  • Warranty

    The smoke alarm has a warranty of 5 years.
    Tested and certified in EU (EN14604:2005, EN14604:2005/AC:2008)

  • Size

    The size of the smoke alarm: 110 mm — 110 mm — 41 mm

Quick installation

No need for additional tools - Easy installation that only takes a minute. Remove the protective tape, press the smoke alarm to the ceiling and you are ready.

If it is not possible to install with the tape, there are also mounting screws for installation included.

See the video

No more battery changes

It is generally recommended to replace smoke alarms every 10 years. In the new Kupu 10 and Lento 10 there is no need to change the batteries within the entire recommended lifetime.

Jalo Helsinki Smoke alarms are tested and certified in EU.

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Designed by Harri Koskinen

With Kupu 10 you can complete your interior design in style or have it as an eye-catching safety detail on the ceiling. Kupu has a unique textile surface making its appearance very smooth. Kupu 10 is available in five fabric covers, now also in white. Other colour options being Dark Grey, Yellow, Turquoise, and Light Brown. Also Chrome -plated version is available.

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Kupu around the world

Kupu is already a true legend - and has travelled to thousands of homes around the globe.

Frequently asked questions

Which kind of smoke alarm do I need?

Using battery operated smoke alarms in your house is widely recommended. In some countries a wired smoke alarm, connected to a power source, is required in new buildings. Please check from your local authorities, which kind of smoke alarm is needed in case you live in a new building. Please note that it is recommended to replace the smoke alarm every 10 years. Our Kupu 10 and Lento 10 smoke alarms are equipped with a 10-year battery, so they will last their entire recommended lifetime.

How many smoke alarms do I need?

Requirements vary from country to country. Please check the requirements from your local fire safety officials. Our suggestion is based on official requirements in Finland: You should place one smoke alarm per starting 60 square meters per floor. In addition, we recommend placing smoke alarms also in the bedrooms.

Are Jalo Helsinki Smoke alarms applicable in my country?

Our smoke alarms are approved for use in all European countries, including UK, and in all countries where the standard CE EN14604 is applicable. In order to be sold for consumers smoke alarms have to earn a certification from an independent laboratory for compliance with CE EN 140604 standard. All our smoke alarm models are manufactured according to the CE EN 14604 standard and the manufacturing processes are sudited by third party inspectors regularly.