Multifunctional Air Quality Detector- Built-in Sherry 2020 Upgraded Indoor Air Quality Monitor Multiple electrochemical sensors capable of accurately detecting Carbon Dioxide (CO2), Volatile Organic Compounds (TVOC) , particles (PM2.5/PM10). These readings involve the detection of toluene, harmful chemicals and pollutants in the air such as carbon dioxide, carbon monoxide, smoke, fog, dust, alcohol, glue, paint, ink and others.Colorful LED Display and New Design- 2020 Newest unique mold and design with LCD color screen digital display; it can offer average value for each gas due to long term monitoring and air quality level. CO2, HCHO, TVOC, PM2.5/PM10 and average value all displayed in a graph, accurate and clearPortable and Widely Applicable- This air quality monitor with small size, only about 5.83"*2.76"*1.18" inch. This smart air quality monitor is easy to carry and helps us detect gas air pollution in household, kitchen, bedroom, office, school, car, hotel, travel, camping, party, etc... it is not only an accurate monitor for air quality, but also a nice decoration in your car or home.Easy to Use and Long Battery Life: This indoor air monitor is home and user-friendly, you don't need to be a smart technician to use this air quality test kit. just press the functional button and all statistics displays in the graph. Built with 2000mAn rechargeable battery and packed with USB cable, it can last for 8-12 hours.