– Sophisticated controller for experienced growers- Output 1 (bottom) for CO2 enrichment or CO2 ventilation control- Output 2 (top) for temperature or humidity control- Displays CO2, temperature and relative humidity values- Smart automatic self adjustment of operation differential to keep conditions closest to set points- Can shut off another equipment while CO2 enrichment is ON, or the other way around- 24-hour data log of values- 120V, 15 A, 2 HP total load capacity