①. Come and try this air quality detector. Compared with other air quality detectors, this detector can display 6 different detection results at the same time, and the detection function covers more aspects. If you are looking for an air quality monitor, try it. ②. 6 Air Quality Checker in One: Come and try this air quality detector. Compared with other air quality detectors, it tests PM2.5, PM10, HCHO, TVOC, CO and CO2 at the same time. ③. Large screen: This air quality monitor is equipped with a large screen, allowing you to see the detection data more clearly, so you can easily get the results. ④. Portable size: This monitor has a small size, so you can use it on your desk without taking up too much space, and it is also easy to carry. ⑤. Wide applications: This CO2 monitor can be used in places such as home, office, desktop, and hotel. ⑥. Multiple Sensors: This air quality monitor adopts infrared detection technology, laser detection technology and electrochemical detection technology to display data. ⑦. Four-color signal: There are four different colors to indicate different characteristics of the monitored air: green indicates good air quality, and colors from yellow to orange to red indicate poor air quality. ⑧. Temperature unit conversion: The temperature units can be switched between Celsius and Fahrenheit, and a sound will be emitted when the monitoring data exceeds the standard. ⑨. Specifications: Material: ABS; PM2.5 detection range: 0-999 ug/m3; PM10 detection range: 0-999 ug/m3; HCHO detection range: 0-9,999 mg/m3; TVOC detection range: 0-9,999 mg/m3; CO detection range: 0-1000 PPM; CO2 detection range: 0-4000 PPM; Interface: USB 500 mA Type-C; Battery: 1 * lithium battery, 1200 mAh (included); Product size: 90 * 70 * 35mm / 3.5 * 2.8 * 1.4in. ⑩. Package Included: 1x Air Quality Monitor.