PM2.5 O3 Ozone Detector TVOC Air Quality Tester USB Instrument 2.8 LCD Screen Carbon Dioxide Formaldehyde Dust Haze Mete

Features 2 8 inch color liquid crystal display LCD 320x240 pixelsUser adjustable ozone O3 alarm threshold to alert the user to increaseTest variables PM2 5 1 0 10 ozone O3 TVOC temperature humidity1200mAh large capacity lithium batteryOnboard fan draws in ambient air for more accurate real time results5V Micro USB chargingLow battery warningThe product is a multi functional air quality detector that can detect total ozone O3 volatile organic compounds TVOC particulate matter PM2 5 1 0 10 with a size of less than 2 5 microns temperature and humidity clock and recording functions As a scientific air quality testing device it combines multiple air sensors with built in sensors The fan can monitor ozone O3 total volatile organic compounds TVOC PM2 5 1 0 10 temperature and humidity on its digital LCD display Specification Display mode 2 8 inch LCD screen 320 x 240 pixelsAtmospheric pressure 86Kpa 106KpaPM detection method laser scatteringSampling time 1 5 secondsProduct size 155 x 87 x 35mmDetection temperature 10°C to 50°C 14°F to 122°FRelative humidity 20 85 Storage temperature 10°C to 60°C 14°F to 140°FTVOC concentration unit mg m³Oxygen concentration unit ppmPower supply Lithium battery with a capacity of 1200 mAh 5V DC power supply for chargingVia micro USB portMeasuring range O3 ozone PM2 5 PM1 0 PM10 TVOC Temperature HumidProduct weight 350gPackage included 1 air detector1 USB cable1 InstructionDetails pictures