This vintage No.3 toy train transformer from Jefferson Electric is a must-have for any model railroad enthusiast. With a wattage of 150W and an analog control system, this transformer is perfect for powering your standard & O scale trains. The AC power type ensures that your trains are always running smoothly and efficiently. This transformer is in great working order and has been thoroughly tested. It's a great addition to any collection and is sure to provide you with hours of enjoyable use. Don't miss out on the chance to own this piece of history.