-Material:ABS
-Product Size：90*90*50MM
-Led Screen display

-CO2 Technology :  infrared ( NDIR) 

-PM2.5 Sensor technolology : Laser Scattering 

-Temperature unit between Celcius and Fahrenheit  Switch
-Detection range: 

CO2 Detection range:  400-5000 ppm
PM2.5 Detection range : 0-999 ug/M3
-CO2 Alarm  value : 1000ppm 

-CO2 Alarm  on /off function(if users do not like alarm ,People can turn it off )
-Power supply：rechargeable  Li-battery 2000mah includding USB Chargeing cable
-Included:Main Unit+manual+charging cable

Advantage : 
-Integrated detection with CO2/Temperature/Humidity/PM2.5/PM1.0/PM10
-Auto calibration
-Exceeding Alarming with auto detection and auto measuring
-Alarm sound can be turned  off / on  by hand operation
-Temperature unit between Celcius and Fahrenheit  Switch   

Package details： 
Product N.W.：225g 
Product G.W.：350g 
Package Dimension：11.7x11.7x7.8cm
CTN Dimension：49.5*41.5*26.0cm 
CTN Weight: 15.5KG
40sets/CTN