-Material:Metal+ABS
-Product Size：145*78*97.2MM
-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 3000mah includding USB Chargeing cable
-Included:Main Unit+manual+charging cable

Advantage : 
-Integrated detection with CO2/Temperature/Humidity/PM2.5/PM1.0/PM10/Time Display
-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.：470g 
Package Dimension：18.7*11.5*10.3cm
CTN Dimension：56*28*42cm 
CTN Weight: 10.05kg 
20sets/CTN