【Amazon Exclusive Brand】4-in-1 Carbon Monoxide Detector, Carbon Dioxide Monitor, Smoke Detector

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Multi-functional CO Meter. This is a mobile 3-in-1 CO & Temperature & Humidity meter. It can measure not only CO concentration but also temperature and humidity. Readings are updated every 2 seconds, much more frequently than traditional CO detectors, informing you of CO levels in near real-time.
Compact and Portable. This CO detector is very compact and portable, and can also be used as a convenient thermometer and hygrometer. It is very suitable for use when traveling or camping in tents, in cars, RVs, homes with fireplaces, and in factories with combustion systems that may have carbon monoxide poisoning.
Electrochemical Gas Sensor. This CO detector uses the principle of electrochemical reaction to quickly and accurately measure CO concentration. The built-in electrochemical carbon monoxide sensor has high measurement accuracy, excellent anti-interference ability, and a long service life. It has EU standard EN-50291 certification for CO detectors, providing high reliability.
LCD Screen and Audible Alarm. Readings are displayed in real-time on a large, high-resolution color screen. Depending on the CO concentration, the indicator light will illuminate in different colors, and the CO detector will display emoji symbols on the screen or emit an audible alarm: Green for 0-100ppm, Yellow for 100-200ppm, and Red for 200-500ppm (alarm will sound continuously).
Built-in 2400mAh Lithium Battery. The built-in 2400mAh rechargeable lithium battery allows this CO detector to operate continuously for approximately 100 hours in standby mode. It can operate while charging and provide accurate readings. Therefore, you can keep this CO detector connected to a USB power source to continuously monitor CO levels as needed.

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Management Number: 6-$$580