Feature:1. DETECTION PARAMETER: Multifunctional air quality monitor, which can be used to monitor PM2.5, PM10, HCHO, organic pollutants, CO, CO2.2. EXCELLENT SENSORS: Using intelligent air semiconductor sensor to detect the air, ensuring sensitive, accurate, and stable measurement.3. COLOR LCD SCREEN: The air quality detector has color LCD digital screen for easy recognition and reading, with hollow design on the back for quick heat dissipation.4. MULTIPLE FUNCTIONS: Built in multiple sensors, infrared detection technology, with real time data refreshing and one key calibration function, quickly press the power button 3 or 6 times.5. APPLICABLE SCENES: Widely used for indoor air detection, suitable for kitchens, bedrooms, mother and baby rooms, offices, classrooms, in cars, hotels, camping, public places, etc.Specification:Item Type: Air Quality TesterMaterial: ABSBattery: 3.7V 2000mAh Lithium Battery (built in battery)Use: Widely used for indoor air quality testing in homes, car air testing, maternal and infant room air testing, and public place testingBasic Parameters: PM2.5: 0-999ug/mPM10: 0-999ug/mHCHO: 0-9.999mg/mOrganic Pollutant: 0-9.999mg/mCO: 0-999PPMCO2: 400-5000PPMAir Quality Index: 0-500.Package List:1 x Air Quality Tester1 x USB Cable1 x User Manual