
X-Sense SD11
The SD11 is a straightforward smoke alarm that you fit once and then forget about for years. Its photoelectric sensor and built-in 10-year lithium battery keep watch around the clock.
- Pack
- 2 smoke alarms
- Battery
- 10-year sealed lithium
- Alarm
- 85 dB
- Standard
- EN 14604
- ✓Photoelectric smoke sensor
- ✓10-year built-in lithium battery
- ✓Loud 85 dB alarm
- ✓Constant self-check with fault alerts
- ✓Conforms to EN 14604
Day to day
- 01The photoelectric sensor and intelligent chipset detect dangerous smoke levels in seconds while keeping false alarms down.
- 02The built-in lithium battery lasts up to 10 years, so there are no battery changes to remember.
- 03The alarm monitors itself constantly and tells you about faults or a low battery.
- 04The housing is made from fire-retardant ABS plastic.
- 05An 85 dB horn sounds as soon as smoke is detected, loud enough to wake a sleeping household.
- 06An LED indicator and a silence button make day-to-day use simple.
Real-life uses
Bedrooms and landings
Fit one on the ceiling of each landing and near bedrooms so the alarm is heard at night.
Rented flats
With no wiring and a sealed battery, it is quick to install and needs little upkeep between tenancies.
Replacing old alarms
A good like-for-like swap for ageing alarms that need regular battery changes.
Right for you if…
Households and landlords who want a reliable standalone smoke alarm without an app or base station.
Check before you buy
This model works on its own and is not described as interlinked: if you want all alarms to sound together, look at the base-station range.
Specifications
- Model
- SD11
- Sensor
- Photoelectric
- Power
- Built-in lithium battery, up to 10 years
- Alarm volume
- 85 dB
- Dimensions
- 12.2 × 12.2 × 4.5 cm
- Weight
- 178 g
- Operating humidity
- ≤ 85%
- Standard
- EN 14604
- Quantity
- 2 alarms
Frequently asked questions
Do I need to change the battery?+
No. The lithium battery is built in and designed to last up to 10 years, the life of the product.
Can the SD11 connect to an app?+
No. The SD11 is a standalone alarm with an LED indicator and a silence button, without app functions.
How do I know the alarm is working?+
It checks itself constantly and warns you of faults or a low battery; you can also test it with the button.
X-Sense SD11
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