High Accurate Sensors: Uses high-precise semiconductor TVOC sensor, electrochemical CO sensor, infrared PM2.5 sensor, temperature and humidity sensor, with high sensitivity, superior inteerence resistance ability, stable working peormance, with low power consumption. These sensors are designed to have high sensitivity, superior inteerence resistance ability, stable working peormance, and low power consumption. Lar Screen Display: With a 4.8inch lar screen display, our Air Quality Monitor offers clear visibility of the data without causing any visual discomfort Whether it's for agricultural planting, greenhouse vetables, production warehouses, material processing, home interiors, or business offices, our monitor is suitable for a wide ran of applications. This comprehensive monitoring system ensures that you have a complete understanding of the air quality around you.