Features: Brand new and high quality 9 In 1 Air Quality Detector: This detector can detect the temperature, humidity, PM2.5, PM10, HCHO, TVOC, CO, CO2, for you at one time, you can view the data you care about at anytimes. LCD Display with Backlight: The colorful screen allows you to see different values at a glance, and the backlit display makes it easy to see data at night. Portable Size: This air quality detecor can be held easily, and it also can be placed on your desk for use. Large Capacity Battery: This air quality detector with built-in lithium battery power supply, the large-capacity battery can provide a long service time and can be recharged in time when the power runs out. Advanced Detection Technology: The HCHO and CO adopting electrochemical detection technology, TVOC and CO2 adopting semiconductor detection technology, PM2.5 and PM10 using sensors. Specifications: Material: ABS Color: Black/White Detecting ranges: Temperature: 0-70℃ Humidity: 0-99 %RH HCHO: 0-9.999mg/m³ tVOCE: 0-9.999mg/m³ PM2.5: 0-999 ug/m³ PM10: 0-999 ug/m³ CO: 0-5000PPM CO2: 0-5000PPM AQI: 0-999 Working voltage: 5V Battery: 1500mAh Recharging port: Type-C Size:Approx. 157x70x30mm / 6.2x 2.8x1.2in Package Includes: 1x Air Quality Detector note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.