- Crystal Clear HD Display: Featuring a vibrant 2.8-inch HD LCD screen, this air quality tester displays 13 real-time data points simultaneously. The intuitive, color-coded interface (green, yellow, red) provides immediate readability based on air quality status. The backlit screen ensures visibility in low-light conditions. - Accurate 18-in-1 Air Quality Monitoring: This advanced air quality meter employs semiconductor and infrared technology to measure 18 critical parameters, including Air Quality Index (AQI), CO2, HCHO, TVOC, PM0.3, PM1.0, PM2.5, PM10, temperature, and humidity. High-sensitivity sensors deliver ultra-precise measurements: CO2 (1 PPM), TVOC (0.01 mg/m³), HCHO (0.01 mg/m³), and PM (1 µg/m³). - Comprehensive Data Recording and Analysis: This intelligent air quality monitor tracks and records particle ratios (PM0.3, PM0.5, PM1.0, PM2.5) at one-minute intervals. Users can easily review historical data curves for PM2.5, HCHO, TVOC, and CO2 with a simple button press. The device stores up to one year of data with automatic overwrite functionality and supports computer connectivity for in-depth data extraction and analysis. - Versatile Solution for Home and Office Air Quality: Designed for both residential and professional use, this compact air quality monitor (90x70x35mm, made of durable ABS) is perfect for monitoring indoor environments. Whether assessing HVAC performance, detecting pollutants, or ensuring a healthy air quality level, its multifunctional capabilities make it an essential tool for health-conscious individuals and families. Use Cases: - Monitor air quality in your home to ensure a safe living environment for your family. - Use it in professional settings to assess indoor air quality, enhancing workplace safety and comfort. - Ideal for schools, offices, and healthcare facilities where maintaining optimal air quality is crucial.