1、Monitor the CO2, PM2.5, temperature and humidity in the home in real time, link air purification, HVAC equipment, actively regulate the environment in the home, and protect the health of the family. 2、Active environmental regulation system, create a comfortable space for balance: When the concentration of CO2 is too high, When PM2.5 is too high, Dynamic balance of temperature and humidity in the whole room. 3、High precision, monitor particles with a minimum of 0.3 microns. It uses precision sensing elements, and data monitoring is stable and accurate. 4、The active reminder function of AI blessing will automatically send you a reminder to let you know when the CO2 and PM2.5 in the home reach the excess standard. 5、Colorful color ring display, farewell to cumbersome, color ring display lets you know the air quality at a glance. Features: Monitor the CO2, PM2.5, temperature and humidity in the home in real time, link air purification, HVAC equipment, actively regulate the environment in the home, and protect the health of the family. Active environmental regulation system, create a comfortable space for balance: When the concentration of CO2 is too high, When PM2.5 is too high, Dynamic balance of temperature and humidity in the whole room. High precision, monitor particles with a minimum of 0.3 microns. It uses precision sensing elements, and data monitoring is stable and accurate. The active reminder function of AI blessing will automatically send you a reminder to let you know when the CO2 and PM2.5 in the home reach the excess standard. Colorful color ring display, farewell to cumbersome, color ring display lets you know the air quality at a glance. Specifications: Item: Air Quality Monitor Color: Black Shell Material: ABS Temperature measurement range: - 10 ℃~60 ℃ Humidity measurement range: 0-99% RH PM2.5 measuring range: 0-1000ug/m ³ CO2 measurement range: 400-5000ppm Size: 86*86*46.5mm Packing Size: 11*11*5.5cm Packing Weight: 230g Package List: 1* Air Quality Monitor 1* Air Quality Monitor