The CO2 monitor and controller is made for use in the various commercial and industrial applications. The offered CO2 monitors help to diagnose the carbon dioxide in the air and carbon dioxide controllers are capable of maintaining the optimal level of CO2 in your grow area by sensing the PPM of the ambient air then turning your CO2 generator or regulator on and off as needed. The offered monitor and controller are very safe for use. They are easy to install and operate and have a digital display. The CO2 monitor and controller is very effective and has an efficient performance.