1. Comprehensive Air Quality MonitoringThis 15in1 detector measures AQI, carbon dioxide, PM0.3, PM1.0, PM2.5, PM10, formaldehyde (HCHO), and TVOC, along with temperature and humidity, providing a complete solution for monitoring your home environment and helping you understand your indoor air quality. 2. Smart App Control Color DisplayFeaturing a vibrant 2.8inch TFT color display for easy data visualization at a glance, this air quality monitor connects via WiFi, allowing you to track readings remotely via the app and review historical data by day, month, or year—keeping you informed about your home's air quality even when you're away. 3. Visual AlertsThe monitor's intuitive system changes display colors based on air quality levels—green for good, orange for moderate, and red for poor—providing visual cues for the air quality in your living environment. 4. Precision Sensing TechnologyEquipped with sensitive semiconductor sensors, this device delivers accurate readings with a carbon dioxide detection range of 400–5000 ppm (±50±5%), PM2.5 detection range of 0–999 g/m (±10 g/m), temperature range of 10–50°C (±2°C), and humidity range of 0–99% RH (±5% RH), offering reliable monitoring for your home.