8-in-1 Air Quality Tester: This monitor measures PM1.0, PM2.5, PM10, CO2, TVOC, HCHO, temperature, and humidity, displaying all readings at once for quick assessment. Precision sensors: Employs NDIR CO2 sensing, dedicated particle sensors, semiconductor and optical sensors, plus distance sensing for accurate, fast readings. LCD color display: Large color screen provides clear visibility; auto-brightness adjusts to ambient light for comfortable viewing. Energy efficient design: Screen automatically powers down after inactivity to save energy, while the sensors continue to update and transmit data to the cloud via WiFi even when the display is off. Compact and practical: Lightweight, desk-friendly form factor suitable for home, office, or classroom use, with durable construction designed for everyday monitoring. Key benefits: Real-time, multi-parameter indoor air data; cloud connectivity for remote monitoring and historical trends; low-power mode that preserves energy without sacrificing data. Use scenarios: - Home: monitor CO2 and fine particles in living areas or bedrooms, especially during cooking or cleaning. - Office or classroom: maintain comfortable air quality to support focus and well-being. - Workshop or garage: detect dust and fumes from tools and paints to ensure safer air levels.