Air Quality Monitor Indoor CO2 Detector Meter, 2022 Upgrade Hanging CO2 Meter for Detect Carbon Dioxide, Temperature and…

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【Accurate CO2 Sensor】: The co2 meter uses an NDIR (non-dispersive infrared technology) sensor, which is more accurate, reliable and longer-lasting than traditional electrochemical sensors.
【Adjustable CO2 Alarm Function】: With carbon dioxide threshold alarm function, the threshold value to trigger the alarm can also be adjusted, and the adjustment range is 800-2000ppm.
【Reading At A Glance】: Large and clear digital reading display, regardless of where you’re, you’ll in an instant know the current air quality.
【Adjustable Brightness & Long Time Standby】: With 1000 mAh rechargeable battery, it may be used for as much as tens of hours on full charge. Adjustable screen brightness is suitable to be used in different scenarios (screen brightness will have an effect on the length of use).
【Mini Portable Size】: The portable size and long standby time make this device perfect for carrying around. Ideal to be used in bedrooms, hotels, cars, and crowded gatherings and classrooms.(With wall-mounted design)