This TycoPro HO Scale Electric Racing System Transformer is a must-have for any slot car enthusiast. With its reliable brand TYCO, you can trust that it will provide the necessary power to keep your cars running smoothly. Designed specifically for HO Scale electric racing systems, this transformer is perfect for those looking to enhance their slot car experience. The power supply type is not mentioned directly, but rest assured that this transformer will be a great addition to your collection. It falls under the categories of Toys & Hobbies, Slot Cars, and HO Scale. This item is perfect for those who want to upgrade their racing system without worrying about the condition of the transformer.