Properties: x 6 in 1 Air Quality Monitor: Try this new multifunctional air quality monitor that can simultaneously detect PM2.5, PM10, HCHO, TVOC, CO and CO2 compared to other air quality monitors. x Large display: This air quality monitor has a large screen that allows you to see your test data more clearly and get the results easily. x Portable size: This monitor is small, you can use it on your desk without taking up too much desk space, and it is easy to carry. x Wide range of applications: This CO2 monitor can be used at home, office, train station, hotel etc. use. x Built-in multiple sensors: This air quality monitor uses infrared detection technology, detection technology and electrochemical detection technology to provide you with accurate data. x Four-color alarm: There are four different colors to indicate the different quality of monitored air: green for good air quality, and colors from yellow to orange to red for poor air quality. x Changing the temperature unit: The temperature unit can be switched between Celsius and Fahrenheit. If the monitoring data exceeds the standard, an acoustic signal is emitted.Specifications:Material: ABSColor: black, white (optional)PM2.5 Range: 0-999ug/m3PM10 Scope: 0-999ug/m3HCHO detection range: 0-9.999mg/m3 HCHO detection range: 0-9.999 mg/m3 TVOC: 0-9,999 mg/m3CO detection range: 0-1000ppmCO2 detection range: 400-5000PPM ChargingMode: 500mA Type-C USB interfaceBattery: 1 x Lithium battery, 1200mAh (included)Item size: 90 x 70 x 35mm/3.5 x 2.8inchPack weight: 200g/7.1ozScope of delivery:1 Air detector1.USB cable