Autopilot APC8200 CO₂ Monitor & Controller with Memory offers a simple and affordable way to control, monitor and record CO₂ levels over an adjustable period of time. Trace your room's CO₂ levels over minutes, hours, or up to 7 days with this easy-to-use controller. The APC8200 also boasts a fully customizable CO₂ setpoint and deadband. Adjust and review your CO₂ levels when you want to and how you want to. The APC8200's memory feature gives growers a real edge in fine-tuning the grow room environment. Optimize your CO₂ levels with this precision controller from Autopilot!