The Temtop M2000C 2nd Generation is an upgraded version of M2000C. It is a handheld monitor that can be used to measure air quality indoors and outdoors. The device can detect particulate matter sizes 2.5 and 10 microns with the main focus on CO2 measures. The new upgraded version comes with the export function feature, so it not only a real-time monitor but the last 12 hours data can be exported to the computer for further analysis.