This Lionel Train Master Transformer Type Z is a great addition to any model railroad enthusiast's collection. With a voltage of 115V and wattage of 250W, it's perfect for powering your O gauge trains. This transformer is untested, but it's still a valuable piece to have.

The brand of this transformer is Lionel, and it's specifically designed for use with model trains. It's a high-quality piece that will ensure your trains are running smoothly and efficiently. Whether you're a seasoned collector or just starting out, this transformer is a must-have for any model railroad enthusiast.