We all know that air is an indispensable part of our lives. The quality of air is affecting our body and mind, but the air is colorless and tasteless, we can't measure it with the eyes. At this time, we need an air tester to help to monitor the air quality. Features: TFT color screen display the data real-time. High-accurate sensor to ensure stable operation of the detetor. Real-time monitoring, historical data query and download. Suitable for using in the car, living room, house with new furniture and decoration, kitchen, bedroom, office, classroom, outdoor environment, etc. Can detect TVOC, PM2.5, PM10, temperature, humidity and formaldehyde. Specifications: Color: white Material: ABS Measuring range of PM2.5: 0-1000ug/m3 Measuring range of PM10: 0-1000ug/m3 Measuring range of CO2: 0-5000ppm Measuring range of formaldehyde: 0-2ppm Measuring range of TVOC: 0-10mg/m3 Measuring range of temperature: -40-60 Measuring range of humidity: 0-100RH Item size: 135 * 135 * 35mm / 5.3 * 5.3 * 1.4in Item weight: 256g / 9.0ounce Package size: 215 * 170 * 52mm / 8.5 * 6.7 * 2.0in Package weight: 467g / 1.0lb Packing List: 1 * Air Quality Detector 1 * Power Cable 1 * User Manual