5-in-1 Plug-in CO Gas & Smoke Detector with LCD Temp Humidity Monitor, Battery Backup

Ensure safer indoor air with this 5-in-1 Plug-in Detector, designed to monitor carbon monoxide (CO), combustible gas, smoke, temperature, and humidity in one compact unit. It provides comprehensive protection against multiple household hazards without the need for separate devices.

Built for dependable performance, the detector features a long-life CO sensing component engineered for consistent and accurate monitoring over extended use. The clear LCD display shows real-time readings for CO levels, gas status, smoke alerts, temperature, and humidity, allowing you to easily stay informed about your indoor environment.

The plug-in design enables quick installation with no complicated setup required. A built-in 1000mAh backup battery keeps the unit operating during temporary power interruptions, ensuring continuous monitoring when it matters most. When unsafe conditions are detected, the device triggers a loud 85dB audible alarm along with flashing visual alerts, helping alert occupants immediately.

Suitable for a wide range of spaces including homes, kitchens, garages, apartments, and RVs, this all-in-one detector offers reliable, everyday protection against invisible dangers.

• All-in-One 5-in-1 Home Safety Protection：Protect your family from multiple invisible risks with one device. This 5-in-1 detector monitors CO, combustible gas (natural gas, methane, propane), smoke, temperature, and humidity—giving you complete peace of mind without installing multiple alarms.
• 10-Year CO Sensor for Long-Term Peace of Mind: Built with a long-life CO sensor designed to last up to 10 years, providing stable, reliable detection so you can trust your protection day after day without frequent replacements.
• Plug-in Convenience + Backup Power Security: Simply plug it in for instant protection. The 1000mAh backup battery keeps the alarm running during power outages—so your safety is never interrupted, even when the lights go out.
• Easy-to-Read LCD with Full Environment Visibility: Stay informed at a glance. The clear LCD screen displays CO levels, gas status, smoke alerts, temperature, and humidity, helping you quickly understand your home environment anytime.
• 85dB Loud Alarm That Gets Your Attention Fast: When danger strikes, the detector activates a powerful 85dB alarm with flashing visual alerts, designed to quickly alert even deep sleepers and give your family time to respond safely.
• Note: This product is non-intelligent and cannot be controlled by cell phone.

• Model: NA503G
• Carbon Monoxide: 0~999 ppm (±10%）
• CO Alarm Threshold: 49 ppm (Initial Default)
• Humidity Measurement Range: 0%–95% RH (±5%), non-condensing
• Combustible Gas Level: GAS Lv1-3 (Lv3:≥15% LEL)
• Gas Alarm Threshold: GAS Lv2 (≥5% LEL)
• Smoke sensor: Photoelectric
• Input: 100-240V 50/60Hz 
• Shell: Flame Retardant ABS Plastic
• Work Temp: -10°C~50°C/14°F~122°F
• Alarm: Yes
• Product Size：125.5x60.5x36.3mm(Excluding the plug)