Combination Alarm
GS888A
GS888A
Combination Alarm
Certified to the stringent ETL standards (UL217 10th Ed. and UL2034 5th Ed.), the GS888A utilizes highly accurate photoelectric and electrochemical sensors. It features a bilingual voice warning system (English/French) that clearly announces the specific danger, such as "Fire!" or "Warning, Carbon Monoxide." Powered by two easily replaceable AA alkaline batteries, it includes user-friendly functions like an 8-minute smoke silence, a 10-hour Do Not Disturb mode for low battery warnings, and an intuitive network pairing process, making it the ultimate smart safety solution for modern homes.
Bullet Points
Key Specifications
| Power Source | DC 3V (2x AA Alkaline Batteries) |
| Battery Life | 1 Year |
| Communication | WiFi (2.4GHz) |
| Wireless Range | > 100m (Open Air) |
| Sensor Type | Photoelectric & Electrochemical |
| Product Lifetime | 10 Years |
| Display | Digital LCD Screen |
| Alarm Volume | ≥ 85dB(A) at 10ft |
| Voice Prompts | English / French |
| Silence Time | Smoke: ~8 mins / CO: ~5 mins |
| Do Not Disturb (Low Battery/Fault) | ~10 Hours |
| Alarm Memory | ~72 Hours |
| Operating Temperature | 37°F to 104°F (3°C to 40°C) |
| Humidity Range | 25% to 95% RH (non-condensing) |
| Dimensions | Φ 140.1mm x 42.25mm |
| Weight | Approx. 270g |
| Certification Standard | UL217 10th Ed. & UL2034 5th Ed., ULC 531 & CSA 6.19 |
Usage Scenarios
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.