Experience the power of this K-Line AC transformer for your O gauge trains. This pre-owned, tested and working model is perfect for powering your model railroad collection. With analog control, you can easily adjust the voltage to fit your needs. This K-Line transformer is a valuable addition to any toy or model train enthusiast's collection. It comes with all the necessary components and is ready to use. Don't miss out on the opportunity to enhance your model railroads and trains with this reliable and high-quality transformer.