DIGITRAX HO SCALE DZ125PS MOBILE DECODER FOR Z, N & HO SCALE LOCOMOTIVES! 8 PIN! This ready-to-go decoder is powered by DC plastic construction. With a light function and DCC compatible control system, this United States manufactured decoder is suitable for model railroads and trains enthusiasts aged 17 years and up. The Digitrax DZ125PS is a reliable and high-quality option for enhancing the performance and realism of your Z OR N OR HO scale model train layout.