Multifunctional Air Quality Detector - Sherry 2020 upgraded indoor air quality monitor built in Several electrochemical sensors that can accurate detect Carbon Dioxide(CO2), Volatile Organic Compound(TVOC), Particle Matter(PM2.5/PM10). Those readings involve detection of toluene, harmful chemical substances and pollutants in the air such as carbon dioxide, carbon monoxide,smoke,fog,dust,alcohol,glue,paint,ink and others. Colorful LED Display&New Design - 2020 Newest unique mold and design with LCD Color Screen Digital Display; it can offer mean value for each gas because long-term monitoring, and rate air quality level. CO2,HCHO,TVOC ,PM2.5/PM10 and mean value all displayed in one chart ,accurate and clear Portable&Widely Applicable - This air quality monitor small in Size ,only about 5.83" * 2.76" * 1.18"inch. This intelligent air quality monitor is easy to carry and help us detect the gas air pollution in household, kitchen, bedroom, office, school, car, hotel, travel, camping, party etc...it is not only a accurate monitor for air quality, but also nice decoration in your car or house. Easy To Operate&Long Battery Life:This indoor air monitor is Household and user friendly, no need to be a tech smart guy to operate this air quality test kit. just pressing the functional button and all statistic display in chart.Built with 2000 mAn rechargeable battery and packaged with one USB cable, it can last for 8-12 hours.