This WiFi air quality monitor is a 15-in-1 device that measures AQI, CO, CO2, PM0.3, PM1.0, PM2.5, PM10, formaldehyde, TVOC, temperature, and humidity. It features a 2.8-inch TFT color screen, app control, and real-time air quality monitoring. The device also has alarm limits, sleep mode, and historical data analysis. It is made of plastic and has a battery life of up to 20-25 hours. The product is suitable for homes, schools, hospitals, and more.