AGc30 intelligent CO2 controller adopts stable dual-beam NDIR sensor, measuring CO2 concentration within 0–5000ppm with high precision, supporting altitude correction for accurate readings in different regions. It comes with a detachable remote sensor connected by 4.5m cable to monitor planting areas separately. Large LCD screen displays real-time CO2 value, trend chart, max/min data and working mode clearly. Built-in day/night auto-switch function independently controls CO2 generator and ventilation fan to match plant photosynthesis rules. Equipped with memory reset protection, low power consumption and wide AC100–240V voltage compatibility. Wall-mounted compact design fits greenhouses, hydroponic farms, grow tents and mushroom cultivation rooms perfectly. CE certified, stable long-term operation, ideal for bulk purchase by agricultural distributors and indoor planting suppliers.