CO2 Detector, CO2 Detector Air Monitor, Carbon Dioxide Detector with Temperature Humidity

3 in 1 carbon dioxide monitor detector:one for 3 functions, you can intuitively understand the air quality you breathe with air quality including co2, temperature and humidity., Real -time monitoring & automatic alarm:carbon dioxide monitor can detect the air on real -time and when co2 concentration 1999 -above four warning lights flashing at the same time to alarm., Lcd large screen:the co2 monitor has a smart color display, different font colors display different air quality, green 400 -799ppm, yellow 800 -1199ppm, orange 1200 -1599ppm, red 1600 -1999ppm, 2000ppm above four colors flash at the same., High precision:the sensor module with tvoc sensor to accurately monitor carbon dioxide, highly recommend to use it with usb charger.1200mah large capacity battery for long working , type -c charging interface, easy charging., Wide application:portable co2 monitor with compact design suitable for monitoring the air quality at home, schools, office buildings, hospitals, restaurants, shopping malls, factories, hotels, laboratories etc