[Multi-functional air quality monitor]: With the combination of electrochemistry, semiconductor and temperature and humidity sensors, this multi-function air quality detector can not only accurately detect CO2, HCHO, TVOC, PM2.5/PM1.0/PM10 in the air in real time, but also comprehensively detect the temperature and humidity in the air.[New LED screen display]: Equipped with a 3.2 inch ultra-high definition LED display, the data monitored by the portable air quality monitor is clearly visible.At the same time, it is equipped with high-precision sensors to make the detection data more accurate and stable.[High performance battery]: The air quality tester has a 1200mAh rechargeable lithium battery, which can be used continuously for more than 10 hours after being fully .At the same time, it supports USB charging, environmental protection and energy saving, and supports low battery prompt, which is very practical.[Multi-mesh design]: The shell of the CO2 detector adopts a multi-mesh design, which is scientific in convection and heat dissipation from multiple angles, and the air intake and wind speed are controlled constantly, which is more conducive to more efficient and accurate detection.[Wide application]: Beautiful appearance, simple design and light weight.The portable intelligent air quality monitor can help us detect the gas air pollution in homes, kitchens, bedrooms, offices, schools, cars, hotels, tourism, camping, parties and other .Colour:Black Material:plastic Size:3.2-InchPackage Contents: 1 * Air Quality Monitor Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/- 1-3cm.