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Russian Tag is Air quality detector
CO2 PM2.5,HCHO,TVOC Meter Air quality detector
-Material:Metal
-Product Size：131*78*67.5MM
- Temperature unit between Celcius and Fahrenheit Switch
-CO2 Technology : infrared ( NDIR)
-PM2.5 Sensor technolology : Laser Scattering
-TVOC ：Electrochemistry sensor
-Detection range:
CO2 Detection range: 400-5000 pp...Read More
Air quality detector 
CO2 PM2.5 Meter CO2 Wall hanging multifunctional air quality detector
-Material:ABS
-Product Size：267*140*30MM
-Led Screen display
-CO2 Technology : infrared ( NDIR)
-Detection range:
PM2.5 (0-999 ug/M3)
CO2 ( 400-5000 ppm)-CO2 Alarm value : 1000ppm( default )
-support hand Setting CO2 alarm threshold from 800ppm-2000ppm.-CO2 Al...Read More
CO2 Wall hanging multifunctional air quality detector 
O3(ozone) Meter O3 (ozone) meter Multi-function Air quality detector
-Material:ABS
-Product Size：155*87*35MM
-2.8” LCD screen display, 320 x 240 pixels
-PM2.5 Sensor technolology : Laser Scattering
-O3(ozone) technolology :Electrochemistry sensor
-TVOC technolology: Semiconductor sensor
-Processor : ARM ,High-spe...Read More
O3 (ozone) meter Multi-function Air quality detector 
