GS241
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GS241
CO₂ Temperature & Humidity Monitor
The GS241 series is a reliable composite alarm designed to monitor indoor carbon dioxide (CO2) concentrations, temperature, and humidity. Equipped with a high-precision infrared CO2 sensor and a digital temperature/humidity chip, it displays real-time environmental data on a clear LED screen. To ensure personal health and safety, the device features a highly visible red, yellow, and green traffic light indicator system coupled with voice prompts, immediately warning users when any parameter exceeds.
Bullet Points
High-Precision Detection
Utilizes an advanced infrared CO₂ sensor and digital temperature/humidity chip to deliver highly accurate and reliable environmental monitoring.
Clear Visual & Voice Alerts
Features a prominent green, yellow, and red traffic light indicator window and multi-language voice prompts to provide immediate, intuitive warnings of abnormal air quality.
Auto-Dimming Display
Intelligently detects ambient light levels and automatically reduces the brightness of the LED screen and indicators in dark environments to avoid disturbing your sleep.
Touch Button Operation
Designed with convenient touch-sensitive buttons that allow you to easily toggle between temperature, humidity, and CO2 displays, or initiate a manual test.
Reliable Power Backup
Powered by a 12V AC adapter and includes a built-in polymer lithium battery that ensures continuous monitoring for up to 12 hours during power outages.
Smart Home Integration
The GS241 model features an 868MHz RF module that connects to the FamilyLink smart gateway, enabling remote APP monitoring and intelligent home control.
Key Specifications
Power SupplyDC 12V (Adapter 12V/1A)
Backup BatteryBuilt-in Li-polymer battery (12-hour runtime)
CO2 Measuring Range400 ~ 5000 PPM
CO2 Accuracy±(50ppm + 5% reading value)
Temperature Range-5°C to 50°C (23°F to 122°F)
Humidity Range0.0% ~ 99.9% RH
Wireless Technology868MHz RF (GS241A only)
Wireless Distance≥ 100m (GS241A only)
Product Life5 Years
Dimension99mm x 99mm x 37mm
Compliance StandardRoHS


















Usage Scenarios
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Home Air Quality
Ideal for bedrooms and living rooms to ensure your family breathes healthy air, automatically dimming at night for undisturbed sleep.
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Workspace Monitoring
Perfect for meeting rooms and offices to maintain optimal CO2 levels, improving concentration and preventing fatigue.
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Intelligent Linkage
Connect the GS245A to your FamilyLink gateway to automatically trigger ventilation systems when CO2 levels rise.
Residential
Offices
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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