Smoke Alarm
GS558D-H04
GS558D-H04
Smoke Alarm
The GS558D-H04 is a wireless interconnection smoke alarm designed with reliable DC 3V power and AA alkaline battery technology, offering up to one year of battery life within a durable 10-year operational lifespan. Supporting interconnection of up to 30 units, it enables comprehensive area coverage with convenient Test/Silence functionality for recommended monthly maintenance and low battery signaling to ensure continuous readiness. Certified to EN 14604:2005 by TUV and ITS, and Intertek approved, the GS558D-H04 meets stringent safety standards, making it suitable for residential and commercial environments requiring smart, scalable fire detection solutions.
Bullet Points
Key Specifications
| Power Source | DC 3V |
| Battery Type | AA Alkaline |
| Battery Life | 1 Year |
| Wireless Type | WiFi |
| Dimensions | Ø120 * 35.5mm |
| Weight | Keyword： |
| Color | White |
| Certification Standard | EN 14604:2005 |
| Certification Body | TUV / ITS |
Usage Scenarios
Bedroom Safety
Protect your family while they sleep with reliable smoke detection that provides early warning of fire hazards.
Living Room Protection
Safeguard the heart of your home where families gather, ensuring rapid detection of smoke from electrical or furnishing fires.
Hallway Monitoring
Cover critical escape routes with smoke detection to ensure safe evacuation paths during emergencies.
Why Siterwell
With over a decade of expertise in IoT and safety technology, Siterwell partners with businesses worldwide to create smarter, safer living environments.
Backed by strong R&D capability, global certifications, and a 56,000 m² production base, we deliver both innovation and reliable large-scale manufacturing.
From award-winning designs to proven global delivery across Asia, Europe, and the US, we focus on building long-term partnerships that drive mutual growth and success.
