Portable air quality monitor adopts air semiconductor and infrared sensor with stable performance and high detection accuracy. It supports connection to the phone APP via BT, you can view the data within 60 days. Large-screen LCD digital display, real-time monitoring, perfect for home, office, school, warehouse, agricultural planting, etc. Features: 9 in 1: Multifunctional air quality detector real-time displays time and date and monitors CO2 concentration, HCHO value, TVOC value, PM2.5/PM1.0/PM10 value, temperature and relative humidity in the air. Clear Display: Large digital screen with backlight, clear and easy to read, support alarm function. Multiple display modes are available, you can switch according to your needs. High Accuracy: Using air semiconductor and infrared sensor, plus high-performance chip, detection is more accurate, higher accuracy, and the accuracy can reach 1PPM. APP Control: Support to connect to the phone APP via BT, you can read up to 1440 sets of data for 60 days, compatible with iOS and Android systems. Quick Heat Dissipation: With multiple ventilation holes, which accelerate the convection between the air and the detector, to achieve effective detection and provide a nice heat dissipation effect. Built-in Battery: Equipped with 2000mAh high-capacity rechargeable battery, low power consumption and long endurance, no need to replace the battery frequently. Wide Application: Lightweight and portable, it is suitable for home, office, school, warehouse, agricultural planting, etc. No need to calibrate at startup, automatic monitoring. Specifications: Color: Black/ White(optional) CO2 Detection Ranges: 400-6000PPM, ±50±10%PPM CO2 Detection Accuracy: 1PPM TVOC Detection Ranges: 0-2.0mg/m3 HCHO Detection Ranges: 0-0.6mg/m3 PM2.5 Detection Ranges: 0-1000ug/m3, ±10% PM2.5 Detection Accuracy: 1ug/m3 PM1.0 Detection Ranges: 0-1000ug/m3 PM10 Detection Ranges: 0-1000ug/m3 Temperature Detection Ranges: -10-50℃, ±2℃ Humidity Detection Ranges: 0-99%RH, ±3%RH Input Voltage: 5V, 1A Battery: Built-in 3.7V, 2000mAh Lithium Battery Current: 150mA Power: 0.6W Item Size: 89 * 83 * 36mm/ 3.5 * 3.3 * 1.4in Item Weight: 150g/ 5.3oz Package Size: 140 * 140 * 43mm/ 5.5 * 5.5 * 1.7in Package Weight: 260g/ 9.2oz Packing List: 1 * Air Quality Monitor 1 * USB Cable 1 * Manual