This replacement probe is designed for Autopilot Greenhouse Master Controller. It consists of a CO2 sensor that gives highly accurate readings. You can even put the remote sensor up to 15 feet.

Greenhouse Master Controller allows you to control temperature, humidity, and CO2 with high precision in your grow space. It also comes with four power outlets that let you link air conditioners, fans, dehumidifiers, and CO2 injectors.

Specifications:

• SKU/ Model Number: HF-APCECOTHRP

• Shipping Weight: 2.50 lbs

• Dimensions: 4 (L) * 4(W) * 4 (H)