8-in-1 Multifunction Air Quality Tester detects PM2.5, PM1.0, PM10, HCHO, TVOC, I, Temperature and Humidity. - Real-time detection of harmful HCHO and TVOC to identify indoor air hazards as they happen. - Alerts ensure PM1.0, PM2.5 and PM10 stay within safe levels, empowering you to act quickly. - Large LCD color display provides clear, easy-to-read results for convenient room air monitoring. - Portable and easy to carry, suitable for home, car, office, factory and other environments. - High-precision, effective and practical measurements you can trust for reliable air quality data. - Choose this air quality detector to support a safer, healthier life for your family. Practical use scenarios: - At home: monitor living rooms or bedrooms during renovations or after activities that release pollutants. - In the car: track cabin air quality on long drives or after new interiors. - In office or factory: maintain comfortable, compliant indoor air for employees and workflows.