Product DescriptionThe Keyscan EC series elevator floor controllers are designed to secure office or residential floors by prompting credential holders to present their assigned credential when using an elevator. These EC elevator floor control units leverage the same hybrid network appliance- based architecture as the CA series door controller counterparts. Comes With 1 – EC2500B ACU Main Board, 2 - OCB8 Relay Board, 1 - DPS-15 Power Supply and Black Metal Enclosure.