It is an advanced multifunctional air quality monitor that combines various high-quality air sensors real-time monitoring of Carbon dioxide (CO2),PM2.5/1.0/10,temperature, and humidity on its display.Accurate measurement techniques and reliable data display enable you to easily understand changes in the levels of carbon dioxide and dust particles in the air.When the carbon dioxide (CO2) concentration exceeds the standard , a clear sound alarm will be immediately issued.By monitoring the concentration of carbon dioxide and dust particles, the ventilation system can be adjusted reasonably to improve indoor air quality and create a healthy and comfortable environment for you and others.

-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
-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