[2 Pack] 4-in-1 Carbon Monoxide Detectors Plug in, Portable Carbon Monoxide Detector with Battery Backup, HD Digital Display for CO, Gas, Temperature & Humidity Ideal for Home, Travel, Safety

Additional Details from the Manufacturer

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More features

• 【4-in-1 Multi-Sensor Detector】This Carbon Monoxide Detector combines natural gas leak, carbon monoxide, temperature, and humidity sensors, offering robust functionality, sensor technology, and a alarm system. It responds swiftly to threats, ensuring comprehensive protection for your family's and your personal safety.
• 【Real-Time HD Display】Our portable natural gas leak and carbon monoxide detector features an LCD color display for clear numerical readouts. It can detect carbon monoxide levels ranging from 0 to 999 PPM and natural gas levels from 0 to 10% LEL.
• 【Versatile Use& Reliable Power】Our carbon monoxide detectors Equipped with a built-in 1000mAh high-capacity backup battery, it continues to operate for up to 12 hours during power outages. Whether in the kitchen, bedroom, garage, or outdoor settings like camping and RV travel, it reliably safeguards your gas safety.
• 【Eco-Friendly & Energy-Efficient Design】Carbon monoxide detectors plug-in design supports 110V–220V AC with ultra-low power consumption (≤ 2W). Built-in electronic sensors offer long-term use without the need for frequent replacements—saving energy and reducing waste for a more sustainable home safety solution.
• 【Notice】Before first use, remove the protective film from the screen. After plugging in, wait 180 seconds for calibration. Press the test button to check the alarm. For accurate temp and humidity, allow 30 minutes.