Walthers SceneMaster 4359 - Grade Crossing Signal Controller

Grade Crossing Signal Controller Product Information: Protect motorists along your HO Scale railroad with the SceneMaster Grade Crossing Signal Controller! Designed to provide a realistic flashing rate with all SceneMaster Crossing Signals (each sold separately) the unit comes fully assembled and ready to use on DC-powered layouts. (NOTE: This unit is only for use on DC layouts - DCC systems can damage the controller!) Additional features include: -Controls up to 4 signals -Includes 4 optical sensors -Fully assembled control unit ready to use on DC layouts -Simple plug-in wiring connections -Operates on 18 volt AC from power pack accessory terminals -Complete installation and hook up instructions included