Was bought extra for irrigation system.

Upgrade your Pro-C Hydrawise HPC Controller with the Hunter PCM-300 3-Station Expansion Module. This module allows you to add three additional stations to your system, giving you more control over your yard's watering schedule. With compatibility for the Hunter brand and no need for a custom bundle, this module is the perfect addition for any non-domestic watering system. The Pro-C Hydrawise and PCM-300 combination offer an unbeatable solution for managing your watering needs.