This High precision Air  detector monitor is an Upgraded version of model DM106A .

it has one more  HCHO  technolology ,Electrochemistry sensor special for HCHO . So this new device , can monitor Gas  components faster and stable . more accurate.

Core technical parameters: 

Test Components : PM2.5,PM1.0,PM10,HCHO ,TVOC,Temperature and Humidity ,AQI

-PM2.5/PM1./PM10 technolology : Laser Scattering 
-HCHO technolology :Electrochemistry sensor 
-TVOC technolology: Semiconductor sensor 
-Processor : ARM ,High-speed complex calculations 
-Temperature and Humidity sensor, detect Temp,Hum.

Why need these Products : 

In  many cities, they  have pollution so need to verify quality.

An ideal multi-function testing tool to monitor the air quality, a safeguard for family health If you worried about the air quality around you or your children. If exceed standard, prompt alarm !  

what are included :Main Unit+ manual+charging cable