Mini CO2 Detector, Portable Multi-Function Monitor Meter, Air Quality Monitor, Carbon Dioxide Detector with Alarm, Temperature and Humidity for Travel Home Indoor

• ☘️ -【Mini Portable CO2 Detector】The 3-IN-1 CO2 monitor uses NDIR technology to monitor indoor and outdoor CO2 concentration, the detection range is 400-5000PPM, it can also monitor Humidity range(0-99%RH) and Temperature range (-10-50℃). • ☘️ -【Large Full-Color LCD Screen Design】The mini CO2 meter can monitor CO2 concentration in real time and can send out smart alarms according to different concentrations of CO2. At the same time, this CO2 detector with large full-color LCD screen • ☘️ -【Easy to Carry】The portable carbon dioxide detector is lightweight and compact, combining beauty and technology, easy to carry, with an anti-loss hanging rope, allowing you to keep informed of environmental changes around you. • ☘️ -【Upgraded Button Function】The CO2 monitor with three buttons design,The "M" key can adjust the brightness, it has 3 different brightness,choose the low brightness mode can help you save the battery, • ☘️ -【Large Capacity Rechargeable Battery】The CO2 detector built-in a high-capacity rechargeable battery , which takes only 2 hours to full charge and up to 20 hours of standby mode, You can long time to use it in indoor and outdoor monitor