So easy to use model railroaders can operate it without the need of instructions. Just enter the loco number (address) you wish to operate and move the throttle. It's intuitive. Programming is easy as well. Select the address you wish to assign and push the program button! Prodigy express is loaded with advanced features most beginner systems just don't have. An excellent way to get started in DCC! * Easy hook up - two wires to the track and you're ready to go * Large LCD screen that's easy to read and navigate * Emergency stop button * Two or four digit addressing (0-9999 addresses available) * 28/128 speed steps for precise speed control * Capable of 20 accessory functions * Advance and universal consisting * Program all CVs with ease