https://www.xbreathforce.com/ce/nano
The DST Breathforce NANO (previously known as the airsns NANO) is an indoor air quality monitor that measures all 5 parameters required by the RESET Air Standard for Commercial Interiors, including PM2.5, TVOC, CO2, temperature, and humidity.
The DST Breathforce NANO is an indoor RESET Air Accredited Grade B monitor for all 5 parameters.