["4.3 inch digital LCD display Air quality monitor test PM2.5 HCHO/TVOC AQI indoor gas detector\n\nSpecifications\nSupport for time and date, history, self-calibration function.\nDisplay method: 4.3” LCD screen display, 320 x 240 pixels\nAtmospheric pressure: 86Kpa - 106Kpa\nDetection method for PM: laser-scattering\nSampling time: 1.5 seconds\nProduct Size: 145*78*97.2 MM\nDetection temperature: -10°C to 50°C; 14°F to 122°F\nRelative humidity: 20% - 85%\nStorage temperature: -10°C to 60°C; 14°F to 140°F\nConcentration unit for HCHO and TVOC: mg/m³\nDetection range: AQI(0-500), PM2.5 ( 0-999 ug/M3 ), HCHO(0.001-1.999Mg/M3 ), TVOC(0.001-9.999Mg/M3 )\nPower source: Lithium battery with 1000 mAh capacity; 5V for DC power charging via micro USB port\nProduct weight: 300g \n\nDescription\nThis product is a multifunctional air quality detector that detects Formaldehyde (HCHO), Total Volatile Organic Compounds (TVOC), Particulate Matter <2.5 micron-sized particles (PM2.5/1.0/10), Temperature, and Humidity with clock and record function. As a scientific air quality detection device, it combines multiple air sensors with a built-in fan to allow real-time monitoring of formaldehyde (HCHO), total volatile organic compounds (TVOC), PM2.5/1.0/10, temperature, and humidity on its digital LCD display.\nLaser-sensor for PM2.5 to detect dust Smog.\nElectrochemistry independent sensor for HCHO to detect Formaldehyde.\nSemiconductor sensor for TVOC to detect benzene,etc Volatile organic compounds.\nTemperature and Humidity sensor.\nAQI for Integrated air quality index.\nSupport for time and date, history, self-calibration function.\n\nPackage Included:\n1 x Air Quality Detector\n1 x Manual\n1 x USB Cable"]