This portable CO2 detector is a must-have for anyone who wants to measure the carbon dioxide levels in their workspace or home. Made by CO2Meter Inc., this detector is a reliable and accurate tool that can help you monitor the air quality and take necessary steps to improve it. The device is perfect for business, office, and industrial settings, and can be used to test, measure and inspect the air quality. It is compact and easy to use, making it ideal for on-the-go monitoring. With this CO2 detector, you can ensure that the air you breathe is clean and fresh, and take action to reduce carbon dioxide levels if necessary.