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Wisualarm smoke alarm one piece
Wisualarm 10 Years Lithium Battery Smoke Alarm
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Wisualarm 10 Years Lithium Battery Smoke Alarm

The device can be widely used in residential areas such as villas, apartments and dorms, including reading rooms, living rooms, bedrooms and hallways.

· Split-spectrum sensor technology
· Test and hush features in one single button
· Loud sound output over 85 dB(A) at 3 meters
· Low quiescent current consumption
· Surface-mount device (SMD) circuit board design
· Low battery warning signal
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Collection Type


Alarm Response Threshold


Battery Life

10 year

Power Source

3V CR123A lithium battery (non-replaceable)

Operating Current

Monitoring current: ≤ 15uA, Alarm current: ≤ 35mA

Operating Environment


Operating Temperature

-10°C to +55°C (+14°F to +131°F)

Relative Humidity

≤95% RH (non condensing)


φ98 mm × H43.1 mm (φ3.85" × H1.70")

Alarm Method

Visual and audible alarm

Alarm Sound Output

85dB (A) at 3 m (9.84 ft)



Silence Duration

About 12 min


136 g (0.30 lb)


TÜV and CE listed



How does a smoke alarm works?

The standalone Smoke Alarm is designed to continuously monitor smoke concentration. Adopting newsplit-spectrum sensor and a built-in high-volume buzzer, it respondsquickly and becomes highly sensitive with stable performance and lowfalse alarm. Once the surrounding smoke concentration reaches thealarm value, it will promptly send out visual and audible alarm signal toremind the user to take immediate measures.

Why smoke alarm beeping when there is no smoke?

To know why the smoke alarm beeps, let's get to know when it alarms. The smoke alarm usually alarms for these 3 situations: when there is a smoke, and it alarms when the smoke level reaches the value; secondly it might be a fault alarm when there is a bug or some dust wents in; thirdly it will also alarms when it's low battery warning. So how can we get to know why it alarms? You can also judge by the LED indicator that tells you the real reason. When the Green indicator flashes once perminute it means it's standby. When the Red indicator flashes once per second it means it has detected the smoke and alarming. When the Red indicator flashes once per minute means the smoke alarm is in fault. When the Red indicator flashesonce per minute that means the smoke alarm is already Low battery. You need to change it.

How many smoke alarms do I need for home?

For home use, when the height of the space is less than 8m (3.28 ft), the protection area of a device is20 m2–40 m2. So you can judge how many smoke alarms according to how many bedrooms and the area for your home.

What is the type of smoke alarm, photoelectric or ionisation?

The smoke alarm uses photoelectric smoke sensor for responding quicker to smouldering fires and the dense smoke given off by foam filled furnishings or over heated PVC.

What will my smoke alarm happen when it detects smoke?

When your smoke alarm detects smoke, it will beep once per second with over 85 decibel, together with the flash of red LED indicator.

Should I clean my smoke alarm?

We advise cleaning your smoke alarms at least once every three months. To get rid of any accumulated dust or insects, run your vacuum's brush attachment over the grates on the sides of the alarms. Please avoid using any cleaning agents to clean the alarm and avoid painting the units.To guarantee the smoke alarm can protect you and your house, test it regularly and replace it after 10 years.

How can I stop a false alarm?

It's crucial to approach an alert signal as a potentially hazardous circumstance. By hitting the Test/Silence button during a known false alarm, you can temporarily mute your device for 12 minutes. Also, you can use a normally working infrared remote and press any button on it to mute a known false alarm. We advise cleaning the device with the soft brush attachment for your vacuum cleaner on a regular basis as part of normal maintenance to prevent false alerts.

Can I install the smoke alarm in my kitchen or bathroom?

Smoke alarm is not recommended in a kitchen as the cooking fumes and high humidity will cause regularly false alarms.

Does the smoke alarm detect carbon monoxide?

No. You need to install a carbon monoxide alarm for CO detection.

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