1. Use NDIR non dispersive infrared method to measure CO CO2、HC， Electrochemical method for measuring O2;

2. Use NDUV spectrophotometry to measure NO NO2， Real time detection of NO and NO2 gas concentrations, truly testing NOx;
3. Compact design, especially suitable for field testing and environmental road inspections
4. Adopting Bluetooth and wireless WIFI communication for convenient on-site testing;
5. Equipped with a wireless Bluetooth micro printer, which can be used for on-site printing;
6. Easy to operate, intuitive and vivid;
7. Equipped with a handheld PC, the detection data can be stored, queried, statistically analyzed, etc. in large quantities;
8. Equipped with intelligent license plate recognition technology (optional);

9. The detection data can be directly transmitted remotely through 4G network (optional)