<p>The air quality monitor uses the scattering principle to monitor air quality, temperature, humidity and AQI level. It has multiple functions and specifications:</p> <p></p> <p>Features:</p> <p></p> <p>Data recording and analysis: Record 999 sets of data, and you can easily view the data curve.</p> <p>Large color screen: Equipped with a 3.2-inch TFT full-color display with backlight for enhanced readability. Real-time date and time display.</p> <p>Dual power supply: Can be powered by a rechargeable lithium battery (built-in 2000mAh) or an external USB power supply.</p> <p>Two models are available:</p> <p>TC-8100: 3 channels, detects dust with 0.3um and 2.5um particle sizes, PM2.5 and PM10 concentrations, AQI levels, temperature and humidity. </p> <p>TC-8200: 6 channels, detects 0.3um, 0.5um, 1.0um, 2.5um, 5.0um, 10um particle size dust, PM2.5, PM10 concentration, clean room class 100 and below, temperature, humidity, AQI level. </p> <p>PM2.5 alarm function: PM2.5 level alarm value can be set. </p> <p>Tripod: Comes with a tripod for easy setup and use. </p> <p>Specifications: </p> <p></p> <p>Material: ABS</p> <p>Concentration resolution: 1μg/ml</p> <p>Flow rate: 1 liter/minute</p> <p>Response time: about 1 second</p> <p>Temperature measurement range: -10~60℃> <p>Humidity measurement range: 0~</p> <p>Built-in battery: 3.7V 2000mAh lithium battery</p> <p>Charging voltage: 5V/USB</p> <p>Product size: 222*80*46mm</p> <p>Product weight: 311g</p> <p>Packing list: </p> <p></p> <p>1 * Dust particle counter</p> <p>1 * USB cable</p> <p>1 * Tripod</p> <p>1 * User Manual (English) </p> <p>The air quality monitor is suitable for a variety of applications, including clean room inspection, industrial production, filter seal inspection and particle pollution source detection. </p>Thanks