1. precision monitoring: This advanced air quality detector measures PM1.0, PM2.5, and PM10 particles in real time. The ultradefinition color display clearly shows the results, making it easy to read and interpret data at a glance. 2. Comprehensive air quality testing: This portable device creates a safer environment for you and your family. It detects a wide particle range from 0 to 1000 µg/m with an accuracy of ±1 µg/m, allowing you to stay informed about the surrounding air quality. 3. Easytouse warnings: The detector uses a colorcoded system for easy understanding. Green indicates safe values, while yellow triggers a beep alarm every 10 minutes when the particle level reaches 36 µg/m, ensuring you're always aware of air quality changes. 4. Portable and convenient: With its compact size (85×51×17 mm) and lightweight design, this air quality monitor is suitable for onthego use. It comes with an antilost strap and a largecapacity 1000mAh battery for testing in different environments.