The Indoor Air Monitor is a USB flash drive-shaped sensor which measures the surrounding's air pollution. This driver prints a list with all connected sensors and their current values to the commandline. Brand names and further information has been documented on http://wiki.micasaverde.com/index.php/CO2_Sensor.

The air quality is displayed on the hardware token by three indicator lamps with the colours green (= good), yellow (= average) and red (= bad), the same colors are also printed by this tool.