9 in 1 MULTIFUNCTIONAL AIR QUALITY MONITOR New 2020 upgraded indoor air quality monitor that can accurately assesses multiple measures of air quality including concentrations of formaldehyde (HCHO), PM2.5, PM1.0, PM10, HCHO, TVOC, temperature, humidity, AQI, Date/Time. Its very necessary for you to know the air quality of your living placePORTABLE AIR DETECTOR Spot check indoor air quality anywhere or leave device on for continuous monitoring This easy-to-carry air quality detector can help monitor air quality at home, kitchen, bedroom, office, school, car, hotel, travel, campingetc...especially in which has baby,child and pregnant woman.EASY OPEARATION This air monitor is easy to operate with just pressing the functional button, Updated user manual is very simple and easy to understand. The intelligent air tester can monitor the variety of the environment in a period your care about,You can take it anywhere to monitor air quality. At the same time, you can set a standard value of formaldehyde. If the density is higher than standard value, the device will alarm.PORTABLE & USB RECHARGEABLE BATTERY It's easy to carry the intelligent air quality monitor that can help us detect the gas air pollution in household, kitchen, bedroom, office, school, car, hotel, travel, camping, party etc...especially in which has baby,child and pregnant woman. Built with 1000 mAn rechargeable battery and packaged with one USB cable, the standby time can last for 8-12 hoursWHAT'S YOU GET Indoor air quality monitor made of ABS material, good feeling, non-toxic, eco-friendly and durable to use. Package Included: 1 Air quality tester, 1 USB cable, 1 User manual.Specifications:Continuous work time:300minBattery:1000mAh polymer lithium batteryInput voltage:5.0V/1000mACharging temp:-10-45FormaldehydeTest object range:0-1.999mg/m3Test tech:semiconductor sensorSample type:ciffusion typeConcentration unit:mg/m3TVOC Test object:TVOCTest range:0.000-9.999mg/m3Test tech:semiconductor sensorSample type:ciffusion typeConcentration unit:mg/m3Test time:5 min PM2.5/PM1.0/PM10 testTest principle:laser light scatteringTest particle population:2.5um,1.0um,10umTest particle mass:PM2.5,PM10Sample time:3 secTest method:concentration(per liter)Test range:0-999ug/m3Use environment Air pressure:86Kpa-106KpaRelative humidity:20%-85%Test temp:-10-45Storage temp:-20-50Package Included:1x Air Quality Monitor Tester1x USB Cable1x User Manual