-Material:ABS
-Product Size：130*80*30MM
-3.5 inch LCD display

- Temperature unit between Celcius and Fahrenheit  Switch

-CO2 Technology :  infrared ( NDIR)

-PM2.5 Sensor technolology : Laser Scattering
-Detection range:   
CO2 Detection range:  400-5000 ppm
PM2.5 Detection range : 0-999 ug/M3                                                                                
AQI Detection range : 0-500
-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/AQI
-Auto calibration ,Exceeding Alarming with auto detection and auto measuring
-Support different interface switching.
-support History Records  save
-Screen off time: never, 1min, 10min and 30min, can save power .
- suppot adjusting screen brightness  :25%, 50%, 75%, 100% and auto.
-Temp unit:  Celcius and Fahrenheit  Switch      
-support Alarm sound set: On and off
 
Package details： 
Product N.W.：225g 
Product G.W.：368g 
Package Dimension：11.5x11.5x7.6cm
CTN Dimension：54*26*40cm 
CTN Weight: 10.5KG
20sets/CTN