Control the temperature and humidity within your growing environment, the adjustable temperature and humidity mode for independent or synchronized control. Night device outlet operates when the lights are off, while the built-in photo-cell ensures that your CO₂ device only activates when the lights are on.

• Coordinates supplemental CO₂ with your ventilation equipment
• CO₂ outlets are automatically disabled while your ventilation equipment is functioning 
• 15' Remote probe with highly accurate sensor
• Can increase or decrease humidity to a specified level
• Resists EMI/EFI from electronic ballasts
• Reliable and easy to use