Details16-in-1 Full Air Quality Monitoring - Monitor the key factors that matter most to your indoor health. This 16-in-1 air quality monitor tracks CO₂, PM2.5, PM1.0, PM10, HCHO, TVOC, temperature, humidity, AQI, and real-time clock. When any reading exceeds safe levels, the screen automatically triggers an audible beep alert-helping you take action instantly.High-Precision Sensors & Real-Time Updates - Air quality Checker, built with high-precision sensors and a dual-vent design for fast airflow intake. Data updates every 1-2 seconds with 0.001-level accuracy, ensuring reliable and consistent readings. Includes automatic calibration to maintain optimal performance. Enjoy lab-grade precision combined with everyday practicality.Clear LED Display & Easy Operation - Air quality sensor, equipped with 7 inch a bright, high-resolution LED display for effortless viewing of CO₂, AQI, temperature, and humidity. Features 12/24H time display, °C/°F temperature switching, and 3 adjustable brightn