Come and try this new type of multi-function air quality detector, compared with other air quality detectors, this detector can show 6 different detection results at the same time, and the detection function is more comprehensive. If you are looking for a quality monitor, give it a try, it will not disappoint you. Features: 6 in 1 Air Quality Tester: Come and try this new multi-function air quality detector, compared with other air quality detectors, this detector can test PM2.5, PM10, HCHO, TVOC, 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 sensing technology to show accurate data. Four-color alarm: there are four different colors to show the different characteristics of the monitored air: green indicates air quality, and colors from yellow to orange to red indicate 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 for indication. Specifications:Material: ABSolor whitePM2,5 Detection Ranges: 0-999ug/m³PM10 Detection Ranges: 0-999ug/m³HCHO Detection Ranges: 0-9.999mg/m³TVOC 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)Product Size: 90 x 70 x 35mm / 3.5 x 2.8 x 1.4inPackage Contents:1 x Air Quality Monitor1 x Charging CableOnly the above package contents, other products are not included. Note: The light and different displays may cause the item's color a little different from the real thing. The measurement error is +/- 1-3cm.