Description Come and try this new type of multi-functional air quality detector. Compared with other air quality detectors, this detector can show you 6 different detection results at the same time, and the detection function is more comprehensive. If you are looking for a new air quality meter, give it a try, it will not disappoint you. 6 In 1 Air Quality Tester: Come and try this new type of multi-functional air quality detector. Compared with other air quality detectors, this detector can test PM2.5, PM10, HCHO, TVOC, CO, and CO2 for you at the same time Large Display: This air quality meter has a large display so you can see the detection data more clearly, you can easily get the results Portable Size: This meter is small in size and you can use it on your desk without taking up too much desk space, also easy for you to carry with you Wide Applications: This CO2 meter can be used in your home, office, on your desk, hotel, and other places Built-in Multiple Sensors: This air quality meter uses infrared detection technology, laser detection technology, and electrochemical detection technology to show you accurate data Four Color Alarm: There are four different colors to show the different qualities of the air being monitored: Green means the air quality is good, and the colors from yellow to orange to red mean worse air quality Temperature Unit Conversion: The temperature units can be switched between Celsius and Fahrenheit, and when monitoring data exceeds the standard, an alarm will sound to indicate Specifications: Material: ABS PM2.5 Detection Range: 0-999ug/m3 PM10 Detection Range: 0-999ug/m3 HCHO Detection Range: 0-9.999mg/m3 TVOC Detection Range: 0-9.999mg/m3 CO Detection Range: 0-1000PPM CO2 Detection Range: 400-5000PPM Charging Method: USB 500mA Type-c interface Battery: 1 * Lithium Battery, 1200mAh (included) Item Size: 90 * 70 * 35mm / 3.5 * 2.8 * 1.4in Package includes: 1 x Air Quality Meter