2WR4-TRX: 2·WIRE 4-Zone Controller

• 2·WIRE system includes one 4-Zone transmitter and one 4-Zone receiver, mounting hardware
  

• Enables 4 irrigation zones using a single conductor + common return line
  

• Maximum distance 100m / 300ft using low-cost low-voltage landscape wire or existing sprinkler wire
  

• Up to 4 controllers may be used in a single irrigation system, enabling 16 zones using 2 conductor wiring