lionel 24279 powermaster bridge

LIONEL 24279 -- POWERMASTER BRIDGE Layouts using the Lionel PowerMaster (6-24130) can transition to full CAB-2 operation with the new #996 PowerMaster Bridge. The PowerMaster Bridge allows you to replace your TMCC CAB-1 with a LEGACY CAB-2 to vary voltage, change locomotive direction, adjust speed, and control sounds remotely. Features Dimensions: 10 1/2" x 3" x 2 3/8"