The TrolMaster Hydro-X Pro Environment Control System is an advanced solution for managing your indoor gardening environment. Designed to be compatible with all Hydro-X control and device modules, this system offers the flexibility of controlling your setup through a web-based program as well as a dedicated app. With the capability to expand your setup to include up to 50 sensors and 50 separate control modules, the Hydro-X Pro ensures optimal conditions for your plants with its innovative 4-in-1 sensor technology.