Enhance your model railroad experience with the Lionel UCS RCS Control Controller Uncouple Unload Button Switch Lot of 5. This controller switch is designed to make your model railroad operations more realistic and efficient. It is suitable for use with O gauge models and has a scale of 1:8. The switch is manufactured by Lionel, a trusted brand in the model railroad industry. It is perfect for use with trains and has a range of applications. For example, you can use it to control the movement of your model train or to simulate the sound of a train horn. This controller switch is a great addition to any model railroad enthusiast's collection. Untested lot of 5