Feature:1. Highly accurate indoor and outdoor air quality monitoring system with professional grade detection technology.2. Can detect HCHO, TVOC, CO2, PM2.5, PM10, temperature, humidity, and can also set and diaplay time, alarm clock, and calendar.3. Large LCD display with backlight, convenient for your reading anytime.4. Real-time local outdoor air quality readings and real time gas monitoring to prevents any respiratory disease.5. Suitable for using in the car, living room, house with new furniture and decoration, kitchen, bedroom, office, classroom, outdoor environment, etc.Specification:This product can detect air quality in your surrounding with accurate indoor/outdoor air quality monitoring system, quick response and high accurancy.Features:Highly accurate indoor and outdoor air quality monitoring system with professional grade detection technology.Can detect HCHO, TVOC, CO2, PM2.5, PM10, temperature, humidity, and can also set and diaplay time, alarm clock, and calendar.Large LCD display with backlight, convenient for your reading anytime.Real-time local outdoor air quality readings and real time gas monitoring to prevents any respiratory disease.Suitable for using in the car, living room, house with new furniture and decoration, kitchen, bedroom, office, classroom, outdoor environment, etc.Specifications:Material: ABSColor: whiteDetect error: ＜15％Test function: HCHO, TVOC, CO2, PM2.5, PM10, Air Quality Monitor, Temperature, HumidityWorking voltage: 5VBattery: 3.7V, 1000mAhStandby time: about 240-360 minutesRelative humidity: 20% - 85%Item size: 127 * 85 * 50mm / 4.95 * 3.32 * 1.95inPackage size: 135 * 100 * 50mm / 5.27 * 3.9 * 1.95inPackage weight: 356g / 12.46ouncePackage list:1 * Air Quality Detector1 * USB Cable1 * User ManualPackage List:1 * Air Quality Detector1 * USB Cable1 * User Manual