Alecto COA3910 White (10 years)

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Product information

Pros and cons

According to our carbon monoxide detector expert

• This carbon monoxide detector detects odorless and flavorless carbon monoxide gas.
• The detector runs on batteries, so it's wireless and can be placed anywhere.
• You can use this detector for a very long time, because it has a lifespan of 10 years.
• You can't wirelessly connect this carbon monoxide detector to other detectors.

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Description

The Alecto COA3910 carbon monoxide detector warns you if there's a risk of carbon monoxide poisoning. The sensor of this detector lasts 10 years. That means you can be sure you'll get a notification in case of too high or too low carbon monoxide levels for the next 10 years. The detector gives you a quick insight via the display. It also does so when the batteries are almost empty, or the 10-year lifespan is almost over. Via the display, you can see the exact level of carbon monoxide and the status of the battery. You can easily place this detector with the included base plate, screws, and plugs. This detector doesn't stand out, thanks to the coarse texture. This makes it look like a plastered wall.

The Alecto COA3910 carbon monoxide detector warns you if there's a risk of carbon monoxide poisoning. The sensor of this detector lasts 10 years. That means you can be sure you'll get a notification in case of too high or too low carbon monoxide levels for the next 10 years. The detector gives you a quick insight via the display. It also does so when the batteries are almost empty, or the 10-year lifespan is almost over. Via the display, you can see the exact level of carbon monoxide and the status of the battery. You can easily place this detector with the included base plate, screws, and plugs. This detector doesn't stand out, thanks to the coarse texture. This makes it look like a plastered wall.

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Included by default

• Manual (2.83 MB)
• Mounting materials

Included by default

• Manual (2.83 MB)
• Mounting materials

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Reviews

20 reviews

9,1/10 (20 reviews)

Rating

14 reviews with 5 stars

5 stars 0 reviews

5 reviews with 4 stars

4 stars 0 reviews

1 reviews with 3 stars

3 stars 0 reviews

0 reviews with 2 stars

2 stars 0 reviews

0 reviews with 1 star

1 star 0 reviews

Rating per section

Functionality

10,0

Most helpful reviews

9,5/10

Simple device.

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• Raphael
• 27 July 2022
• Automatically translated from Dutch

10/10

Does what it's supposed to do

• Easy to assemble
• Clear instructions

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• Jochem
• 15 October 2022
• Automatically translated from Dutch

9,0/10

A necessary device.

• Does what it is intended for, measuring carbon monoxide.
• Flashing lights a bit annoying.

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• G.m.h. riksman-hollander
• 2 September 2022
• Automatically translated from Dutch

9,5/10

Easy confirmation and a very strong signal

• Very easy confirmation
• Powerful signal

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• Toon
• 5 March 2023
• Automatically translated from Dutch

9,0/10

Simple, easy to install and assemble.

• Easy operation
• Can also be used standing
• Manual is not quite correct

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• J.a. van der vliet
• 13 March 2022
• Automatically translated from Dutch

7,0/10

Does what it promises

• Easy to hang
• User friendly
• Display difficult to read

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• Ruben
• 7 September 2023
• Automatically translated from Dutch

10/10

Nice device that cannot be missing in your home

• Easy to use
• Quick to assemble
• Safety pin easily lost and/or broken

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• Janneke
• 19 January 2024
• Automatically translated from Dutch

10/10

Uitstekende melder, verwacht ik

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• Paul
• 22 December 2023

10/10

Good purchase

• compact device
• Alecto known solid brand
• control light flash a bit too bright compared to larger model

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• Marc
• 15 February 2023
• Automatically translated from Dutch

10/10

Good price for a good device.

• Easy to attach to the wall
• Clear explanation of how it works

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• Mouton willy
• 30 October 2023
• Automatically translated from Dutch

9,5/10

Simple device.

Easy assembly and installation.

• Raphael
• 27 July 2022
• Automatically translated from Dutch

10/10

Does what it's supposed to do

• Easy to assemble
• Clear instructions
• Loud alarm

This product simply does what it's supposed to do. For some people the battery light that blinks every half minute can be annoying, but it doesn't really bother me.

• Jochem
• 15 October 2022
• Automatically translated from Dutch

9,0/10

A necessary device.

• Does what it is intended for, measuring carbon monoxide.
• Flashing lights a bit annoying.

I think I need this device, but because of the flashes of light it can't really stand in a bedroom, so it's in the attic.

• G.m.h. riksman-hollander
• 2 September 2022
• Automatically translated from Dutch

View all 20 reviews

Specifications

Product

Product number

895540

Manufacturer code

COA3910

Brand

Alecto

Warranty

2 years

Processing of your defect

Via Coolblue

Old product returned for free

Functionality

Detection

Carbon monoxide

Number of detectors

1

Smart smoke detector

Linkable

[No]

Alarm signal type

Audio signal

Alarm signal strength

85 dB

Test switch

Emergency lighting

Power supply

Power supply type

Rechargeable battery

Type of battery

Standard batteries

Standard battery type

AA

Average battery life

2 years

Low battery signal

Physical properties

Height

7,8 cm

Width

10,6 cm

Depth

3,7 cm

Weight

200 g

Color

White

Material

Plastic

Includes mounting materials