Removed from a working system -- functional -- Item is sold "AS IS WITH NO REFUNDS OR RETURNS." Adds sixteen voltage outputs for control and sixteen inputs for additional security/fire zones, auxiliary or temperature inputs Can be mounted up to 1000 feet from the main controller and has its own power supply and battery. It reduces wiring use in larger installations It is commonly used for sprinkler systems, control of pumps, motors, remote control circuit breakers, and additional security/fire zones Up to eight Expansion Enclosures can be used in conjunction with the OmniPro II or Lumina Pro automation controllers. Optional Model 19A00-1 8-Relay Module and Model 10A07-1 4-Relay Module mount in the enclosure SHIPPING: $20 flat fee shipping to the continental US only.