The MTH O Z-1000 Hobby Transformer Power Unit is a ready-to-go electric train power unit designed for O gauge model trains. With a wattage of 100W and a voltage of 120V, this black plastic transformer features an analog control system and is compatible with DCC control systems. It is suitable for hobbyists aged 17 years and up, making it a convenient and efficient choice for powering your model train layout. The MTH Z-1000 Hobby Transformer is a reliable and high-quality product from a trusted brand in the electric train industry.