Upgraded PCB: The Model Railways Train PCB is accessory for 1/87 Electric train model, providing higher performance and reliabilityAdvanced Features: Model Railways Train equipped with an upgraded PCB board that includes sound and light functions, utilizing LED bulbs to bring your model trains to life with realistic effectsConstruction: Made from quality metal and PP materials, ensuring long term performance and reliability in your model train projectsCompact Design: The circuit board measures 13.5cmx2.6cm/5.31inchx1.02inch, making it easy to integrated into various model train configurations without taking up excessive spaceAccessories: Easily upgrade your electric train model with this ho scale train accessories, which is designed to provide performance in a compact form factor Size Chart: LxW:13.5cmx2.6cm/5.31inchx1.02inch Package Includes: 1 1:87 Scale HO Railwayscircuit board Note: 1.This is not infant toy , please take away from children to avoid eating.2.Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.