Portable Design: The air quality monitor is small and portable, easy to carry, does not take up too much space, and can be installed at home. Carbon Dioxide Detector,CO2 Meter Plug in,Temperature 9 in 1 Air Quality onitor, Indoor Teperature Huidity Detector... Specification: Item Type: 6 in 1 Air Quality Monitor Voltage: 5V Material: ABS Weight: Approx., 184g / 6., 5oz Battery: Polymer Lithium Battery 1200mAh (Included) Display Mode: LCD Color Screen + Backlight Display PM2., 5 Detection Range: 0-999μg/m³ HCHO Detection Range: 0-1999μg/m³ TVOC Detection Range: 0-1999μg/m³ CO2 Detection Range: 400-5000PPM Temperature Detection Range: 0-50℃ Humidity Detection Range: 0-99%RH Product Size: Approx., 9x7x3., 4cm / 3., 5x2., 8x1., 3in Package List: 1 x Detector 1 x Manual 1 x USB Power Cable Premium Material: The air quality monitor is made of high quality ABS material, which is safe, sturdy, wear proof, not easy to damage, and can be used for a long time. The 6-in-1 air quality monitor PTH-9A offers a comprehensive solution for healthy home environment. With high-precision NDIR sensor, it can accurately detect the current CO2 concentration, PM2.5, PM10, AQI, temperature and humidity, and the calibration function ensures reliable readings Premium Material: The air quality monitor is made of ABS material, which is safe, sturdy, wear proof, not easy to damage, and can be used for a long time. 6 In 1 Air Quality Monitor CO2 Monitor Carbon Dioxide Detector, 5-in-1 Indoor Air Quality Monitor, CO2 Meter With Alarm Co2 Detector Widely Used: The air quality monitor is suitable for offices, homes, gyms and other occasions with a wide range of applications.