This Bachmann N HO Model 6605 Hobby Transformer Controller is a must-have for any model train enthusiast. It is designed to provide speed control for your model train layout and is compatible with both N and HO gauge trains. The controller is made by Bachmann, a trusted brand in the model train industry, and is model number 6605. In addition to its functionality, this transformer controller is also aesthetically pleasing and will add to the overall look of your model train setup. It falls under the category of toys and hobbies, model railroads and trains, power and control, and transformers. Get ready to take your model train to the next level with the Bachmann N HO Model 6605 Hobby Transformer Controller.