9 in 1 BT Air Quality Monitor CO2 Meter Carbon Dioxide Detector Time/Date CO2 TVOC HCHO PM2.5 PM1.0 PM10 Temperature Humidity Detection Support APP Control with Alarm Function for Home Offic

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.