The Rain Bird ESP-Me 6 Zone extension module is used with the to expand the capacity of zones it can serve. Use up to 3 additional modules. The 3 zone and 6 zone modules can be mixed and matched to cover anything from 4 zones to 22 zones.

Product Details:

• Extension module for the Rain Bird ESP-Me Modular Irrigation Controller.
• Provides an additional 6 zones for garden watering systems.
• Very quick and easy to install, done in just a few clicks.