NCE 524-003 PB105 Power Booster for Power Pro DCC System. If you need more power than the Power Pro alone can supply, the PB105 supplies 5 Amps of continuous voltage to your track. Enough to handle very large lashups of locomotives and still have reserve capacity. Recommended for Z through S scales.

Includes:

• 5-Amp Powerhouse power booster
• One 7 foot control bus cable with RJ-H modular telephone plugs(with four gold-plated contacts) on each end
• One green connector
• PB105 Product Manual

Note: Requires a 5-amp, 14-16vAC power supply such as the NCE #P515 or DCC #MF615 power supply (sold separately).