Digital Display Formaldehyde Detector Air Quality Analyzer

We all know that air is an indispensable part of our lives. The quality of air is affecting our body and mind but the air is colorless and tasteless?we can't measure it with the eyes. At this time we need an air tester to help us monitor the air quality.Features:Large LED screen display makes it easier to read data.6 detection functions: accurate detection for formaldehyde TVOC and benzene air quality PM2.5 PM10 and PM1 air quality monitoring.One key for smart calibration one key for unit switch one key for alarm and mute.Multi-layer microporous filtration can effectively eliminate the interference of ethanol carbon monoxide etc. and the measurement accuracy of formaldehyde is greatly improved.Innovative 3D cycle convection vent design for better test results.Folding stand is easy to place on the plane stable and convenient.Specifications:Material: ABSColor: blackFunction: HCHO TVOC PM10/PM2.5/PM1HCHO test range: 0-1.999mg/m³PM10/PM2.5/PM1 test range: 0~999?g/m³TVOC test range: 0~9.999mg/m³Measurement accuracy: 0.0001Display mode: LEDPower supply: 1 * lithium battery 1200mAh (included?Input voltage: USB 5.0V 1ACharging temperature: -10?-45?Use environment:Atmospheric pressure: 86Kpa-106KpaRelative humidity: 20%-85%Detecting temperature: -10?-45?Storage temperature: -20?-50?Sampling time: 10sItem size: 150 * 70.8 * 43.6mm / 5.9 * 2.8 * 1.7inItem weight: 200g / 7.1ouncePackage size: 195 * 120 * 54mm / 7.7 * 4.7 * 2.1inPackage weight: 350g / 12.3ouncePackage list:1 * Air Quality Detector1 * USB Cable1 * User Manual