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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This is what you get

• Manual (2.83 MB)
• Mounting materials

This is what you get

• Manual (2.83 MB)
• Mounting materials

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Reviews

22 reviews

9,1/10 (22 reviews)

Rating

15 reviews with 5 stars

5 stars 0 reviews

6 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

8,0/10

fine

• Good information provided
• Simple device, no frills.
• No information when the 10 year lifespan ends.

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• Lb
• 30 January 2025
• Written for: Alecto COA3910 White (10 years)
• 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
• Written for: Alecto COA3910 White (10 years)
• 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
• Written for: Alecto COA3910 White (10 years)
• 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
• Written for: Alecto COA1910 White (10 years)
• 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
• Written for: Alecto COA3910 White (10 years)
• Automatically translated from Dutch

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
• Written for: Alecto COA3910 White (10 years)
• Automatically translated from Dutch

10/10

Good device, price quality

• Easy to install
• Easy in use

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• Michael
• 20 December 2023
• Written for: Alecto COA3910 White (10 years)
• 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
• Written for: Alecto COA1910 White (10 years)
• Automatically translated from Dutch

10/10

fine

• thing works, no problems with installation 2 weeks ago

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• Ron
• 18 December 2024
• Written for: Alecto COA3910 White (10 years)
• Automatically translated from Dutch

9,5/10

Simple device.

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• Raphael
• 27 July 2022
• Written for: Alecto COA1910 White (10 years)
• Automatically translated from Dutch

8,0/10

fine

• Good information provided
• Simple device, no frills.
• No information when the 10 year lifespan ends.

Simple thing that seems good but lacks all quality documentation. Very good at informing which levels are threatening and dangerous. If the negatives are taken care of, something like this should be in every house. More important than soot or smoke detectors.

• Lb
• 30 January 2025
• Written for: Alecto COA3910 White (10 years)
• Automatically translated from Dutch

9,0/10

Simple, easy to install and assemble.

• Easy operation
• Can also be used standing
• Clear and simple display
• Manual is not quite correct

Activate batteries (already in the device) and go. Find a spot and measure.

• J.a. van der vliet
• 13 March 2022
• Written for: Alecto COA3910 White (10 years)
• Automatically translated from Dutch

9,5/10

Easy confirmation and a very strong signal

• Very easy confirmation
• Powerful signal

After a, as always, very smooth delivery, the product could be easily confirmed. When using the test button it immediately became clear that it gives a very clear and powerful signal.

• Toon
• 5 March 2023
• Written for: Alecto COA3910 White (10 years)
• Automatically translated from Dutch

View all 22 reviews

Specifications

Product

Product number

895540

Manufacturer code

COA3910

Brand

Alecto

Warranty

2 years

Processing of your defect

Via Coolblue

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