Air Quality Sensor AQS1 can monitor PM1.0/PM2.5/PM10, detect and C, other harmful gas values 24h a day, carbon dioxide CO2. This device is used to control the air quality at all times. This sensor is a professional high-precision, accurate measurement and fast response. It can automatically determine the quality level of different parameters at a glance and accurate sensing. For more updates visit here - www.ubibot.com/ubibot-aqs1/ Join us: twitter.com/UbiBot_io