Want to track what& 39;s in the air that surrounds you? Our new arrived air quality detector will help you about this. It can detect air quality in your surrounding with accurate indoor/outdoor air quality monitoring system. Useful air quality detector with quick response and high precision. Effectively protect you and your family from the harm of bad air quality. Features:Highly accurate indoor & outdoor air quality monitoring system with professional grade detection technology.Detailedly analyze air quality in your surrounding and detect PM2.5, TVOC,temperature & humidity.3.5-inch TFT HD color display with wide viewing angle, which can reach 160°, convenient for your reading.Real-time local outdoor air quality readings plus indoor temp, humidity, TVOC and PM2.5/PM10 real time gas monitoring to prevent any respiratory disease.Suitable for using in the car, living room, house with new furniture & decoration, kitchen, bedroom, office, classroom, outdoor environment, etc.Specifications:Model: D9-B / D9-D / D9-H (Optional)Material: ABSColor: WhiteMeasure Medium: PM2.5 & TVOCTest Function: PM2.5/PM1.0/PM10, 0.3um/0.5um/1.0um/2.5um/5.0um/10um number of particles, TVOC, temperature & humidity.PM2.5 Test Range: 06000g/m³Temperature Test Range: -955Humidity Test Range: 0100%TVOC Test Range: 0.0002.000mg/m³Detection Technique: Semiconductor Sensing TechnologyWorking Temperature: -955Relative Humidity: 80%HRBattery: 1 * 3.7V 600mA Li-ion Battery (Built-in)Input: 5V, 1ADate & Time Setting: Users can set the current date and timeAdjustable Automatic Shutdown Time Setting Range: 10 Minutes - 18 HoursAdjustable Backlight Brightness Setting: 10% - 100%Historical Data Settings: Users can view historical data saved by the systemMaximum Storage Management Space: 65,534pcsAdjustable Timing Storage Settings: 10 Minutes - 18 HoursAdjustable Timing Screen Switching SettingS: 10 Seconds - 600 SecondsItem Weight: 219g / 7.73ozItem Size: approx. 84 * 60 * 118mm / 3.3 * 2.4 * 4.6inPackage Weight: 417g / 14.7ozPackage Size: 17.5 * 11.2 * 7cm / 6.9 * 4.4 * 2.8in Package List:1 * Air Quality Detector1 * USB Cable1 * User Manual