Smoke Alarm-赛特威尔

Smoke Alarm

Product

Product Overview

Key Specifications

Usage Scenarios

Why Siterwell

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GS559A

Smoke Alarm

The GS559A Photoelectric Smoke & Heat Alarm is a comprehensive fire safety solution designed for advanced protection. Featuring dual-sensor technology, it detects both slow smoldering fires via its photoelectric sensor and rapid temperature increases (54°C to 70°C) via its built-in heat sensor. Equipped with RF 868MHz wireless capabilities, it can interconnect with up to 15 additional devices, including gateways, vibration alarms, and flash alarms, creating a robust safety network across your home. It complies with the EN14604:2005/AC:2008 standard and includes user-friendly features such as a 10-minute silence mode and a 10-hour "Do Not Disturb" function for peaceful nights.

Bullet Points

Dual-Sensor Technology

Combines a highly sensitive photoelectric smoke sensor with a rapid-response heat sensor (triggering between 54°C and 70°C) for comprehensive fire detection.

Smart Ecosystem Compatibility

Can be seamlessly connected to a central gateway, as well as specialized vibration and flash alarms, making it an ideal choice for the hearing or visually impaired.

Extensive Wireless

Features a robust wireless transmission distance of up to 100 meters outdoors and 45 meters indoors, providing reliable communication across large homes.

Convenient Silence Mode

Easily hush nuisance alarms caused by cooking or steam for approximately 10 minutes with a simple press of the test button.

Do Not Disturb Function

Includes a specialized 10-hour "Do Not Disturb" feature, allowing you to temporarily silence low battery or fault warnings to ensure an uninterrupted night's sleep.

Key Specifications

Power Source	DC 3V (2x AA Batteries)
Battery Type	Replaceable AA Alkaline Battery
Battery Life	1 Year
Wireless Type	RF 868MHz
Wireless Range	Up to 100m (outdoor) / 45m (indoor)
Interconnect	Up to 15 additional devices
Sensor Type	Photoelectric Smoke + Heat Sensor
Heat Alarm Trigger	54°C to 70°C
Alarm Volume	≥ 85dB(A) at 3 meters
Smoke Sensitivity	0.115 - 0.168 dB/m
Standby Current	≤ 6uA
Alarm Current	≤ 75mA
Silence Time	Approx. 10 minutes
Do Not Disturb	10 Hours
Operating Temperature	0°C to 40°C
Humidity Range	≤ 95% relative humidity
Dimensions	Φ 120.1mm x 36.7mm
Coverage Area	Approx. 20 - 40 m²
Certification Standard	EN14604:2005/AC:2008

Usage Scenarios

Bedroom Safety

Protect your family while they sleep with dual-sensor detection and a 10-hour Do Not Disturb feature for peaceful nights.

Living Room Protection

Safeguard the heart of your home where electronics and heating appliances are commonly used, ensuring early warning of any hazards.

Hallway Monitoring

Cover critical escape routes with interconnected alarms, ensuring the alert is heard everywhere if a fire starts.

Bedroom

Living Room

Hallway & Corridor

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.