How is a Laser Egg+ CO2 different from a Laser Egg+ Chemical?

All of our Laser Eggs measure PM2.5, along with your indoor room temperature and humidity. However, the Laser Egg+ CO2 additionally measures carbon dioxide (CO2) concentrations in your home, while a Laser Egg+ Chemical measures volatile organic compounds (VOCs) concentrations. Read more about the differences between CO2 and VOCs here.