-Material:Metal+ABS
-Product Size：145*78*97.2MM
-4.3 inch LCD screen display ,History Records  save

- Temperature unit between Celcius and Fahrenheit  Switch 

-CO2 Technology :  infrared ( NDIR)
-WiFi  TUYA APP ,Transfer datas to mobiles phons ,support  Android and Apple phones  ,also support all kinds of languages

- CO2  detection range:  400ppm  -5000 ppm
-CO2 Alarm  value : 1000ppm

-CO2 Alarm  on /off function(if users do not like alarm ,people can turn it off by hand setting )
-Power supply：rechargeable  Li-battery 3000mah
-Included:Main Unit+manual+charging cable

Advantage : 
-WiFi  TUYA APP,datas transfer to mobile phones  to check CO2 values Wireless
-Integrated detection with CO2/Temperature/Humidity
-Auto calibration
-support History Records  save  
-support Temperature offset.
-Exceeding Alarming with auto detection and auto measuring 
-Alarm sound can be turned  off / on  by hand operation
-Color led changes for different Co2  Values

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