🚨 Smart CO + Smoke 2-in-1 Alarm
Household Carbon Monoxide & Smoke Fire Detector | Available at Tech Group BD
🏠 Advanced Dual Protection for Your Home & Office
Protect your family and property with the Smart CO + Smoke 2-in-1 Alarm, an intelligent safety device that detects both smoke and carbon monoxide (CO) using infrared and electrochemical sensors.
Designed for homes, apartments, offices, and hotels, this device ensures early warning during fire hazards or gas leaks, giving you precious time to act before it’s too late.
This compact, battery-powered detector offers accurate, reliable, and real-time detection, making it an essential component of any smart home safety system in Bangladesh.
🌟 Key Features
🔍 Dual Sensor Technology
Equipped with advanced infrared and electrochemical sensors, the alarm simultaneously detects smoke particles and carbon monoxide gas, providing a faster and more accurate alert system than standard detectors.
⚡ Intelligent Accuracy Calibration
Each device is precisely calibrated by a professional team using gas calibrators to ensure top-level sensitivity and reliability — both during sample testing and mass production.
🔋 Battery-Powered Convenience
Operates on DC 4.5V (3 × AA batteries), ensuring reliable operation even during power outages.
With ultra-low standby current (<20uA), it guarantees long-lasting battery life for uninterrupted protection.
🔊 Loud Sound & Light Alarm
When danger is detected, the alarm triggers both sound and LED light alerts, with an alarm volume over 80dB at three meters — ensuring immediate attention even in noisy environments.
⏱️ Fast Response & High Sensitivity
Detects smoke concentrations above 0.1% db/m and carbon monoxide levels over 200 ppm, giving early warnings against invisible threats like CO gas buildup or slow smoldering fires.
🌡️ Reliable in Tough Conditions
Performs flawlessly under temperature ranges from -10°C to 55°C and humidity below 95%, making it perfect for Bangladesh’s climate conditions.
🧠 Long Sensor Lifespan
The dual sensors feature a durable lifespan of 3–10 years, ensuring consistent and stable performance throughout their service life.
⚙️ Technical Specifications
| Specification |
Details |
| Working Voltage |
DC 4.5V (3 × AA batteries) |
| Standby Current |
< 20μA |
| Alarm Current |
< 50mA |
| Warm-up Time |
2 minutes |
| Detection Type |
Smoke & Carbon Monoxide |
| Smoke Sensitivity |
> 0.1% db/m |
| CO Alarm Level |
> 200 ppm |
| Alarm Type |
Sound & Light |
| Alarm Volume |
> 80dB (at 3m) |
| Operating Temperature |
-10°C ~ 55°C |
| Humidity |
< 95% RH (non-condensing) |
| Pressure Range |
86kPa ~ 106kPa |
| Sensor Type |
Infrared + Electrochemical |
| Product Lifespan |
3–10 years |
| Weight |
Lightweight, Portable |
| Certification |
Quality Inspected |
🧯 Why Choose Smart CO + Smoke 2-in-1 Alarm from Tech Group BD?
✅ Dual detection for both smoke and carbon monoxide
✅ Loud 80dB alarm with flashing LED indicator
✅ Battery-operated, easy installation — no wiring required
✅ Durable & long-lasting sensor technology
✅ Ideal for homes, offices, hospitals, and hotels
✅ Available with after-sales support and fast delivery in Bangladesh
💰 Smart CO + Smoke Detector Price in Bangladesh
Looking for the best price for Smart CO + Smoke 2-in-1 Alarm in Bangladesh?
Tech Group BD offers affordable, genuine, and certified smoke & CO detectors designed for modern homes and workplaces.
Order today to enhance your fire safety system with this smart, dual-function alarm — combining accuracy, durability, and smart design in one device.
📦 Order Now
Upgrade your home or business safety with Smart CO + Smoke Fire Detector — available exclusively at Tech Group BD, Bangladesh’s trusted supplier of smart security and automation solutions.
