WISUALARM S05-A smoke alarm, sealed 10-year battery

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Product guide

WISUALARM S05-A smoke alarm, sealed 10-year battery

The WISUALARM S05-A smoke alarm is a single battery-powered detector with a claimed sealed 10-year battery, photoelectric sensing and audible and visual alerts. Its self-adhesive option avoids drilling, while the listing also describes screw mounting. The battery is specified as non-replaceable, so the claimed lifespan is a meaningful convenience but not a guarantee of service life.

At a glance

The listing describes a sealed, non-replaceable lithium battery with a claimed 10-year life.
Audible and visual alerts, a large test/silence button and infrared mute capability are described.
Adhesive or screw mounting options are listed. The supplied contents list includes mounting items.
The listing claims EN14604 conformity and UKCA marking. These are listing claims, not independently verified here.

Price

£9.99Save 17%

Reference price: ~~£11.99~~

Price checked: 12 Nov 2026

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Often bought together

Kidde K5CO Carbon Monoxide Detector Alarm with 10-Year Sensor Life | Battery Powered, 2 x AA Batteries Included, Wall Mount or Free-Standing, 85dB, Kitemarked to BS EN 50291-1

£12.99

Pros and cons

Pros

A sealed battery avoids routine battery changes if it reaches its claimed service life.
Adhesive mounting offers a no-drill option, and screw mounting is also described.
The test/silence button and visual indicator provide controls and status information on the device.

Cons

The listed battery is non-replaceable, so the detector cannot be kept in service by changing its battery when it is depleted.

Technical specifications

18 specifications

Identity
Brand	WISUALARM
Model	S05-A

Power and battery
Power configuration	Battery Powered
Battery	3V CR123A lithium battery (non-replaceable)
Claimed battery life	10 years

Detection and alerts
Sensor type	Photoelectric
Alarm modes	Visual and audible alarm
Alarm volume	85dB (A) at 3 m (9.84 ft)
Silence	Infrared Silence Yes

Dimensions and installation
Dimensions listed	8.2D x 8.2W x 5.2H centimetres
Weight listed	110 Grams
Installation	Ceiling Mount
Listed size	81.5mm*51.6mm

Operating conditions
Operating environment	Indoor
Operating temperature	-10°C to +55°C (+14°F to +131°F)
Operating humidity	≤ 95% RH (non condensing)
Coverage area	20 m2 –40 m2

Materials and protection
Material listed	PC+ABS

What to know before buying

Listing details to confirm

Battery life is a 10-year listing claim, not an independently established lifespan. Customer feedback is mixed on reliability and longevity, including reports of early failure and doubts that it lasts 10 years. The technical details give dimensions as both 8.2D x 8.2W x 5.2H centimetres and 81.5mm*51.6mm without explaining the difference, and describe a 55 Degrees Celsius upper rating alongside an operating range ending at +55°C. Remote mute requires a compatible infrared remote, which is not included. The listing names EN14604 conformity and UKCA but does not provide a UKCA-specific supporting detail.

What’s in the box

Included

Adhesive sticker (1)
Positioning sticker (1)
Screw anchor package (1)
Smoke alarm (1)
User manual

Who is it for?

A good fit for

Buyers seeking a single ceiling-mounted smoke alarm with a sealed battery and no routine battery replacement.
People who want an adhesive mounting option as well as a listed screw-mounting option.
Buyers who value a test/silence control and visual alert alongside the audible alarm.

Less suited to

Buyers who require a replaceable battery or expect to service the detector by changing its battery.
Buyers who need a remote control in the box or need confirmed long-term reliability before choosing a non-replaceable-battery alarm.

WISUALARM S05-A smoke alarm, sealed 10-year battery · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 1,278 ratings

5 stars68%68%
4 stars17%17%
3 stars6%6%
2 stars2%2%
1 star7%7%

Customer feedback highlights ease of fitting, compact size, appearance and perceived quality. Reliability and durability are not consistent strengths, with reports of early failure and doubts about achieving the claimed 10-year battery life. The aggregate ratings lean positive, but ratings alone cannot establish reliability. For a sealed, non-replaceable-battery alarm, the longevity concerns matter because the battery cannot be replaced to extend service life.

Positive themes

Customers describe the alarm as easy to install and appreciate its compact size and appearance.
Some customers report good quality and straightforward fitting.

Negative themes

Some customers report that the alarm stopped working within a day.
Some customers say they do not expect it to last 10 years.

Mixed feedback

Reliability and durability feedback is mixed. Some customers say it works well, while others report early failure or question its longevity.
Battery-life feedback is mixed in relation to the claimed 10-year life.

Frequently asked questions

Can the battery be replaced?

The technical details specify a 3V CR123A lithium battery that is non-replaceable. The listing claims a 10-year battery life, but that duration is not independently verified.

Does it come with a remote control?

No remote is listed as included. The claimed infrared mute function is described as working with a compatible household infrared remote, such as a TV or air-conditioning remote.

How can it be mounted?

The listing describes adhesive mounting without drilling and also screw mounting. The explicit contents list names adhesive, positioning and screw-anchor items.

What do customers say about reliability?

Feedback reports positive impressions of quality, fitting and compact size, but reliability and durability are mixed. Some reported early failure, and some doubted the claimed 10-year life.