GS886Z
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GS886Z
Combination Alarm
The GS886Z is a state-of-the-art smart combination alarm that integrates dual-sensor smoke and carbon monoxide detection with advanced Z-Wave 800 series connectivity. Powered by sealed 10-year lithium batteries, it offers a decade of maintenance-free protection. By connecting to your smart home ecosystem via a Z-Wave hub, this intelligent device not only sounds a loud local alarm during an emergency but also seamlessly triggers automated safety routines—like turning on lights or unlocking doors—and sends instant push notifications to your smartphone.
Bullet Points
Dual-Sensor Technology
Equipped with both an advanced photoelectric smoke sensor and an electrochemical carbon monoxide sensor, providing highly accurate detection of two deadly threats in a single unit.
Z-Wave 800 Series Integration
Features the latest Z-Wave 800 series module for extended range, enhanced security, and seamless integration with your favorite smart home security systems.
10-Year Sealed Lithium Battery
Powered by built-in high-capacity lithium batteries that provide a full decade of continuous, maintenance-free operation without ever needing a battery change.
Bilingual Voice Warning System
Features a built-in voice alert system that clearly announces the specific danger in either English or French, eliminating confusion during an emergency.
Continuous Reliability & Memory
Performs over 10,800 internal self-checks every single day to verify sensor integrity, and features a 168-hour event history log for post-incident review.
Certified Safety Standard
Rigorously tested and certified by ETL to meet the strict UL217 10th Edition and UL2034 5th Edition safety standards for maximum reliability.
Key Specifications
Power SourceDC 3V (2x CR14750 Sealed Lithium Batteries)
Battery Life10 Years
CommunicationZ-Wave 800 Series
Sensor TypeDual-Spectrum Optical & Electrochemical
Product Lifetime10 Years
Alarm Volume≥ 85dB(A) at 10ft
Voice PromptsEnglish / French
Self-Check Frequency> 10,800 times daily
Silence TimeSmoke: ~8 mins / CO: ~5 mins
Do Not Disturb (Low Battery/Fault)~10 Hours
Alarm Memory168 Hours
Operating Temperature40°F to 100°F (4.4°C to 37.8°C)
Humidity Range10% to 95% RH (non-condensing)
DimensionsΦ 155mm x 41.8mm
Certification StandardUL217 10th Ed. & UL2034 5th Ed., ULC 531 & CSA 6.19


Usage Scenarios
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Bedroom Safety
Ensure you wake up to danger with a loud 85dB voice alarm and wireless interconnection that sounds the alert even if the fire originates in another room.
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Living Area Protection
Safeguard your family's primary gathering space with dual-sensor protection, especially in homes with fireplaces or gas heating.
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Z-Wave Ecosystem
Connects effortlessly to your Z-Wave hub, triggering other smart devices like lights and unlocking doors during an emergency.
Bedroom
Living Room
Smart Home
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.

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