Daim duab qhia txog Carbon Dioxide Monitor
1) LCD zaub
2) USB them thiab kev sib txuas lus socket
3) Fais fab hloov / rov qab khawm
4) Tus nqi txo / unit conversion khawm
5) Tus nqi nce / khaws cov ntaub ntawv ntshiab / backlight khawm
6) Ntsuas tus nqi hloov pauv qhov tseem ceeb / teeb tsa khawm







