This is the TMCC Direct Lockon from Lionel®. FEATURES: Connects your PowerHouse Supply directly to the track with the TMCC Direct Lockon Selectable current settings for the 135-Watt or 180-Watt PowerHouse Eliminates the need for a PowerMaster if you run only TMCC- or LEGACY-equipped locomotives Provides over-current protection and an automatic reset Includes power wire with FasTrack connectors and one standard Lionel Lockon Compatible with both Lionel FasTrack and O/O27 track systems INCLUDES: One TMCC Direct Lockon tlw 6/24/08