GS558D Smoke Alarm with Wireless Interconnect and Heat Detection

Smoke And Heat Alarm.
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Countries adapted for RC1

Commercially available

The battery-powered SITERWELL Photoelectric smoke and heat alarm GS558D designed to protect you and your family from the dangers of smoke and fire. The photoelectric technology, it is more sensitive in detecting slow smoldering fires which generate light smoke, little heat and may smolder for hours before bursting into flames. This smoke alarm does not contain any radioactive material. 

The alarm can last more than 5 years in normal conditions. 

Easy installation--no wiring required Powered by 3-volt battery (battery include) for continuous protection even during power failures Flashing LED shows alarm is receiving power Low-battery indicator.
It includes a flashing red LED to indicate the alarm is receiving power as well as a test button to verify the unit's electronic circuitry, horn, and battery functions are working properly. During a smoke incident, the smoke alarm will sound in a repetitive manner. 

The uplink signals to Sigfox include smoke alarm, heat alarm, test alarm, fault alarm, low battery, silence, 10 hrs non-disturb, battery capacity and so on. 

It passes SIGFOX RC1-class0u and EN14604.



Sigfox Ready

Class 0

End Product Certificate P_00F3_D18C_01



Commercially available
Production capabilities

10,000-50,000 items

Dedicated process to purchase connectivity

Technical Details

Product casing

Dimensions (in mm): 120 x 120 x 35.5

Weight: 115gr

Customizable casing: Yes

Customizable fixation: No

Minimum order quantity for custom casing or fixation: 1000 products



Mandatory - Internal


Mandatory - Internal



Dedicated - Internal

Type: ½ wave

Battery Cell
TypeBattery details


Mandatory - Internal

Size: AA

Rechargeable: No

Quantity of similar cells: 2


Battery life: 5 Years

Additional Information about the power supply

Battery type: Replaceable.

Embedded Software

Flashable Firmware: No

External antenna

No connector for an additional external antenna


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