General description This 6 in 1 Air Quality Tester is a multifunctional device that measures PM2.5, PM10, HCHO, TVOC, CO, and CO2 simultaneously. It features a large display screen for clear visibility of detection data, making it easy to obtain results. Its portable size allows for convenient use on desks without occupying much space, and it is easy to carry for use in various locations such as homes, offices, and hotels. Technical specifications Material: ABS Color: Black, White (optional) PM2.5 Detection Range: 0-999ug/m³ PM10 Detection Range: 0-999ug/m³ HCHO Detection Range: 0-9.999mg/m³ TVOC Detection Range: 0-9.999mg/m³ CO Detection Range: 0-1000PPM CO2 Detection Range: 400-5000PPM Charging Method: 500mA Type-C USB interface Battery: 1 * Lithium Battery, 1200mAh (Included) Item Size: 90 * 70 * 35mm / 3.5 * 2.8 * 1.4in Package Size: 118 * 115 * 48mm / 4.6 * 4.5 * 1.9in Package Weight: 200g / 7.1 ounces Other information Built-in multiple sensors using infrared, laser, and