As formaldehyde and airborne particles become more and more harmful to human health, are you increasingly concerned about the air quality around you? Our air quality monitor is especially designed to gives you a comprehensive understanding of the air quality around you, including HCHO, TVOC, pm1.0, pm2.5, pm10, temperature and humidity.Firstly, our data showed will be more accurate due to the effective accessories, such as built in turbine, 4 high-precision sensors and ARM processor computing chips. Secondly, because of its portability, you can use it anywhere you want to test the air quality, home or office, indoor or outdoor. Most importantly, in order to let you better access and understand the data, our detector has real-time recording and alarm function.Features:Comprehensive data including HCHO, TVOC, pm1.0, pm2.5, pm10, temperature and humidityMore accurate testing result, Real time record, displaying the data in the form of chartsLightweight and portable, ideal for bedroom, living room, office, hotel, car and traveling useEquipped with a high-capacity lithium battery, quick charge and long standby timeBuilt in a turbine, making testing more quickly and stably4 high-precision sensors and ARM processor computing chipsBuilt in 1500mAh capacity lithium battery with long stand by timeWith USB cable, Easier chargingLarge LCD screen with English interface easy and clear to readDo calibration well on initial use, otherwise, data may be inaccurate.Specifications:Color: BlackMaterial : ABSOverall Dimension: 2.5" (L) X 1.5" (W) X 6" (H)Net Weight: 0.5 lbsInput: 5.0V/1ABattery Capacity: 1000mAh Lithium BatteryCord Length: 32"HCHO Test Range : 0.000~1.999 mg/m3TVOC Test Range: 0.000~9.999 mg/m3PM1.0/PM2.5/PM10 Range: 0~999g/ m3Temperature Test Range: 0~50Humidity Test Range: 20~90%RHWorking Environment: 5~45