Walthers 942-4000 DC Train Control 2 AmpsWalthers 942 4000 DC Train Control 2 Amps Built tough for dependable service with the power to handle HO, S and O Scale equipment, the Walthers Controls DC Train Control makes a great addition to your layout with features that include: Improves locomotive performance Perfect for growing layouts and larger motors Delivers up to 24VA of DC track and accessory power 16V DC accessory output power operates Walthers Layout Control System and other switch