ZIMO has been providing state-of-the-art digital model railroad control systems for more than 25 years. ZIMO today is considered THE SYSTEM with the most features, leading in technology as well as their implementation to make the system both user friendly and reliable. ZIMO has always developed their own products in-house and by so doing ensured that all products are fully tested and proven. ZIMO offers a system that is expandable and fully upgradeable. A starter set is a start to unlimited expansion. The user decides how far he/she wants to go with the system. Unlike "TOY" DCC systems there are no purposely built-in limitations.