Come and try this new type of multi-function air quality detector, compared with other air quality detector, this detector can show 6 different detection results at the same time, and the detection function is more comprehensive. Features:6 in 1 Air Quality Tester: come and try this new type of multi-function air quality detector, compared with other air quality detectors, this detector can test PM2.5, PM10, HCHO, twoc, CO and CO2 at the same time. Display Screen: This air quality monitor with display screen to better see the detection data, you can get results. Portable Size: This monitor is small and can be used on your desk without taking up too much space on your desk, and it's also easy to carry. Wide Applications: This CO2 monitor can be used at home, office, hotel, and more. Built-in Multiple Sensors: This air quality monitor using infrared sensing technology, laser sensing technology and electrochemical detection technology to show accurate data. Four-color Alarm: there are four different colors to show the different characteristics of the monitored air: green means the air quality is good, and colors from yellow to orange to red mean poorer air quality. Temperature unit conversion: temperature units can be switched between Celsius and Fahrenheit, and when the monitoring data exceeds the standard, a sound will be emitted to indicate. Specifications:Material: ABSColor: BlackPM2.5 Detection Ranges: 0-999ug/m³PM10 Detection Ranges: 0-999ug/m³HCHO Detection Ranges: 0-9.999mg/m³Havoc Detection Ranges: 0-9.999mg/m³CO Detection Ranges: 0-1000ppmCO2 Detection Ranges: 400-5000ppmCharging: 500mA Type-c USB InterfaceBattery: 1 x Lithium Battery, 1200mAh (Included)Item Size: 90x70x35mm/3.5x2.8x1.4inPackage Contents:1 x Air Quality Monitor1 x Charging CableOnly the above content packaging, other products are not included. Note: The light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3cm.